{"id":10967,"date":"2026-03-18T07:54:53","date_gmt":"2026-03-18T07:54:53","guid":{"rendered":"https:\/\/fsxchemical.com\/?p=10967"},"modified":"2026-08-29T08:03:53","modified_gmt":"2026-08-29T08:03:53","slug":"cmc-pigment-printing-binder-compatibility-rheology-hand-feel","status":"publish","type":"post","link":"https:\/\/fsxchemical.com\/ur\/blog\/cmc-pigment-printing-binder-compatibility-rheology-hand-feel\/","title":{"rendered":"CMC for Pigment Printing: How to Evaluate Binder Compatibility, Rheology and Fabric Hand Feel"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-8d3a543a\"><em>CMC can be evaluated as a rheology modifier, thickener or supporting component in selected pigment printing formulations, but successful use depends on much more than pure-water viscosity. Pigment printing pastes contain pigments, binders, wetting agents, fixers, defoamers and other auxiliaries that can change CMC viscosity, ionic compatibility and film behavior. At the same time, the binder needed to anchor insoluble pigment can increase fabric stiffness, while excessive CMC or other paste solids may add further residue and hand-feel penalties. This guide explains how textile mills should evaluate CMC for pigment printing through binder compatibility, complete-paste rheology, print definition, curing, rubbing fastness and finished fabric hand rather than selecting a grade from viscosity alone.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-1c18ba8f\">What Role Can CMC Play in Pigment Printing?<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f6f7f4c9\">Carboxymethyl cellulose (CMC) is a water-soluble cellulose derivative that can build viscosity, modify flow, retain water and support paste stability.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-dab0b69e\">In selected pigment printing formulations, CMC may be evaluated as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A primary thickener in a specifically matched formula<\/li>\n\n\n\n<li>A viscosity modifier<\/li>\n\n\n\n<li>A supporting component in a compound thickener<\/li>\n\n\n\n<li>A paste-body adjustment tool<\/li>\n\n\n\n<li>A water-retention component<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-37febfcc\">Its practical job is to help control the movement of the pigment printing paste during application.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7bb11d47\">Depending on the printing process, the desired result may include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stable paste transfer<\/li>\n\n\n\n<li>Clean edges<\/li>\n\n\n\n<li>Controlled penetration<\/li>\n\n\n\n<li>Reduced lateral spreading<\/li>\n\n\n\n<li>Uniform solid areas<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9b65f247\">FSX Chemical&#8217;s current CMC guidance positions CMC in selected pigment-printing and compound-thickener systems, with final suitability confirmed through the complete formula and printing trial rather than from viscosity alone.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-25c3c193\">Review the <a href=\"https:\/\/fsxchemical.com\/ur\/product\/carboxymethyl-cellulose-cmc\/\">FSX Chemical CMC product range<\/a> for current grade-selection information.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-72df59f0\">CMC Is a Thickener\/Rheology Modifier, Not the Pigment Binder<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8843a40e\">This distinction is essential.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ece13ce5\">Pigments are insoluble particles. Unlike reactive dyes, they do not form the same type of covalent bond with cellulose.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a1e45f98\">The binder creates the polymer film that physically anchors pigment particles to the textile after curing.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5877519c\">CMC mainly controls the flow and handling of the paste.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8d4a7b31\">A simplified division of responsibility is:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5aff6379\"><strong>CMC \/ Thickener \u2192 Rheology, Paste Transfer, Penetration and Print Definition<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-281f25ab\"><strong>Binder \u2192 Pigment Anchorage, Rubbing Fastness and Wash Durability<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7e14513c\">CMC may contribute some film-forming behavior, but it should not be assumed to replace the dedicated pigment binder.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bfecdbc2\">If a print has excellent edge definition but poor rubbing fastness, increasing CMC is not necessarily the correct solution.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-7fbaa457\">Why Binder Compatibility Must Be Tested<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-494b7076\">Pigment printing paste is a multicomponent system.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a9ebe3fb\">It may contain:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pigment dispersion<\/li>\n\n\n\n<li>Acrylic or other polymer binder<\/li>\n\n\n\n<li>CMC or another thickener<\/li>\n\n\n\n<li>Fixer\/crosslinking chemistry<\/li>\n\n\n\n<li>Wetting agents<\/li>\n\n\n\n<li>Defoamers<\/li>\n\n\n\n<li>Softener\/plasticizer<\/li>\n\n\n\n<li>Other process auxiliaries<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-60322e6d\">Each component can affect the others.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c445a9dd\">A CMC solution that looks perfectly smooth in water may behave differently after binder is added.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fa5e44d8\">Possible incompatibility symptoms include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sudden viscosity loss<\/li>\n\n\n\n<li>Excessive viscosity increase<\/li>\n\n\n\n<li>Flocculation<\/li>\n\n\n\n<li>\u062c\u06cc\u0644 \u06a9\u06d2 \u0630\u0631\u0627\u062a<\/li>\n\n\n\n<li>Phase separation<\/li>\n\n\n\n<li>Foam changes<\/li>\n\n\n\n<li>Poor screen release<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-12ce2fc7\">Textile printing literature consistently emphasizes that thickener compatibility with binders and auxiliaries is a key condition for stable pigment printing paste.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-14d36cfc\">Therefore, binder compatibility should be checked before production scaling.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-289f0078\">Ionicity, pH and Electrolytes: Where Compatibility Problems Begin<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7bd571dc\">CMC is an anionic polymer under typical aqueous conditions.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-53410677\">Many pigment printing binders are anionic or nonionic acrylic dispersions, but fixation packages and specialty auxiliaries may introduce other ionic components.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-140a57c3\">Compatibility can change with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Binder ionicity<\/li>\n\n\n\n<li>Fixer ionicity<\/li>\n\n\n\n<li>\u067e\u06cc \u0627\u06cc\u0686<\/li>\n\n\n\n<li>Electrolyte concentration<\/li>\n\n\n\n<li>Water hardness<\/li>\n\n\n\n<li>Pigment dispersion chemistry<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7f9a1980\">Strong ionic mismatch can create flocculation or paste instability.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bd1fc698\">Even without visible precipitation, electrolytes can change CMC chain expansion and viscosity.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3b17bf92\">A useful formulation check therefore records:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CMC grade and dosage<\/li>\n\n\n\n<li>Binder type and ionicity<\/li>\n\n\n\n<li>Fixer\/crosslinker<\/li>\n\n\n\n<li>pH before and after formulation<\/li>\n\n\n\n<li>Conductivity where relevant<\/li>\n\n\n\n<li>Viscosity after complete mixing<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2bc5be70\">Do not assume compatibility because all individual raw materials are water-dispersible.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-4e04d905\">Why Complete-Paste Rheology Matters More Than CMC Solution Viscosity<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cf92c40b\">Pure-water viscosity is useful for incoming CMC QC, but it does not represent the complete pigment printing paste.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2864523d\">Actual paste rheology changes after the addition of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Binder<\/li>\n\n\n\n<li>Pigment dispersion<\/li>\n\n\n\n<li>Electrolytes<\/li>\n\n\n\n<li>Wetting agents<\/li>\n\n\n\n<li>Fixer<\/li>\n\n\n\n<li>Defoamer<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-aebd99bf\">For printing, useful rheology must balance two competing requirements:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2400b387\"><strong>High enough structure at rest \u2192 limit spreading and maintain pattern definition<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8c38b199\"><strong>Enough flow under shear \u2192 transfer smoothly through the screen, roller or application system<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-499e872b\">This is why one-point Brookfield viscosity alone cannot completely describe printing behavior.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bcb452bf\">Research on textile printing thickeners has shown that steady-shear and viscoelastic properties can correlate with important printing quality parameters.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cb56aa28\">The correct CMC trial therefore measures the complete pigment paste, not only the CMC stock solution.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-fb39d2b2\">Shear Thinning, Screen Release and Print Definition<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-af9f193b\">Many textile printing pastes show shear-thinning behavior.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a1e8a3ad\">The apparent viscosity decreases when shear rate increases during:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0644\u0627\u067e<\/li>\n\n\n\n<li>Pumping<\/li>\n\n\n\n<li>Squeegee movement<\/li>\n\n\n\n<li>Rotary-screen transfer<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1b136f4e\">After the applied shear decreases, the paste should recover enough structure to limit uncontrolled spreading.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9e62aa07\">If the paste is too resistant to flow, possible problems include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Poor screen transfer<\/li>\n\n\n\n<li>Incomplete pattern filling<\/li>\n\n\n\n<li>Heavy paste deposits<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-182848a1\">If structure is too weak, possible problems include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bleeding<\/li>\n\n\n\n<li>Wicking<\/li>\n\n\n\n<li>Reduced fine-line definition<\/li>\n\n\n\n<li>Excess penetration<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fd9e2a0d\">Therefore:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-495da581\"><strong>Higher viscosity is not automatically better rheology.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4633a546\">The target is the right flow curve for the actual printing equipment.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-5b419dd9\">CMC, Binder and Total Solids<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d5b60b10\">Pigment printing differs from many dye-printing systems because the binder deliberately remains as a polymer film on the textile.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b4030731\">This makes total formulation solids important.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f50aed86\">CMC is also a polymer solid.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c2ad32a4\">Increasing CMC dosage may improve paste body, but it can also increase:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Total deposited solids<\/li>\n\n\n\n<li>Surface residue<\/li>\n\n\n\n<li>Dry-film build<\/li>\n\n\n\n<li>Potential stiffness<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ddc21ba5\">This is one reason low-solids synthetic thickeners are widely used in conventional pigment printing.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-30a6f628\">CMC can still be useful in selected formulations, especially as a rheology modifier or compound-thickener component, but its required dosage should be evaluated against:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Binder solids<\/li>\n\n\n\n<li>Pigment solids<\/li>\n\n\n\n<li>Fixer solids<\/li>\n\n\n\n<li>Required hand feel<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3fb6ab1f\">Do not optimize CMC concentration independently from total paste solids.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-54243ff9\">How CMC and Binder Can Affect Fabric Hand Feel<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0e1cf9f6\">Fabric hand is a system result.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-30b8be5a\">The binder is often the strongest contributor because it creates a durable polymer film around fibers and pigment particles.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5301db49\">Research on acrylic pigment binders has shown that increasing binder concentration can improve rubbing fastness while also increasing fabric stiffness.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bea3ebcf\">CMC can add another hand-feel variable if excessive polymer remains on the fabric.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-27d3fde7\">Possible contributors to a harsh or boardy hand include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High binder dosage<\/li>\n\n\n\n<li>Hard binder modulus<\/li>\n\n\n\n<li>Excess CMC or thickener solids<\/li>\n\n\n\n<li>Heavy pigment loading<\/li>\n\n\n\n<li>Over-curing<\/li>\n\n\n\n<li>Insufficient softening\/finishing<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6c081181\">This means:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5dc21da9\"><strong>Do not diagnose stiff hand from CMC alone.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8b43ebc4\">And:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8200bfb8\"><strong>Do not assume a low-viscosity CMC automatically gives a softer print.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-551ea914\">The correct evaluation is the finished fabric after curing and any intended washing\/finishing.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-da663001\">Rubbing Fastness: Do Not Blame the Thickener First<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5e91cfee\">Rubbing fastness is strongly connected to binder film performance.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cdce2a65\">If dry or wet rubbing fastness is poor, check:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Binder dosage<\/li>\n\n\n\n<li>\u0628\u0627\u0626\u0646\u0688\u0631 \u06a9\u06cc\u0645\u0633\u0679\u0631\u06cc<\/li>\n\n\n\n<li>Pigment-to-binder ratio<\/li>\n\n\n\n<li>Curing temperature<\/li>\n\n\n\n<li>Dwell time<\/li>\n\n\n\n<li>Substrate adhesion<\/li>\n\n\n\n<li>Pretreatment or thickener compatibility<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0e4e0c3d\">CMC can indirectly affect fastness if it interferes with binder film formation or creates excessive surface solids.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b1d3d4e2\">However, adding more CMC is not a direct fastness correction.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-54c25911\">A useful troubleshooting principle is:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9b60093b\"><strong>Print-definition failure \u2192 investigate rheology and paste transfer first.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-061ddb17\"><strong>Fastness failure \u2192 investigate binder and curing first.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-2ca05d36\">Curing Conditions and Binder Film Formation<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d23b399c\">Binder must form a continuous and sufficiently durable film.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-36f89617\">This process depends on actual fabric temperature and time, not only the oven set-point.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ede57959\">Important variables include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Drying before curing<\/li>\n\n\n\n<li>Curing temperature<\/li>\n\n\n\n<li>Dwell time<\/li>\n\n\n\n<li>Airflow<\/li>\n\n\n\n<li>Binder minimum film-forming behavior<\/li>\n\n\n\n<li>Crosslinker\/fixer chemistry<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-96b64ca2\">Insufficient curing can create poor rubbing and washing durability.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ce5e6fc4\">Excessive curing can create:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Harder hand<\/li>\n\n\n\n<li>Yellowing<\/li>\n\n\n\n<li>Energy waste<\/li>\n\n\n\n<li>Damage to heat-sensitive fabrics<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bf210d69\">CMC selection should therefore be validated under the intended production curing route, because the final hand and surface condition are evaluated after binder film formation.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-fad98b2e\">Cotton, Polyester and Blends<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-f98c72ef\">\u06a9\u067e\u0627\u0633<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3e2a1c45\">Cotton is hydrophilic and can absorb the water phase of the pigment paste readily.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c3b31ece\">The formulation must balance:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062f\u0631\u0627\u0646\u062f\u0627\u0632\u06cc<\/li>\n\n\n\n<li>Surface color<\/li>\n\n\n\n<li>Binder adhesion<\/li>\n\n\n\n<li>Softness<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-56968694\">\u067e\u0627\u0644\u0626\u06cc\u06d2\u0633\u0679\u0631<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6150410e\">Polyester is more hydrophobic.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-167af90c\">Surface finish, silicone, oils and previous thermal history can affect wetting and binder adhesion.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-514ba905\">Cotton\/Polyester Blends<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3cdf176d\">Blends combine two different surface behaviors.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5bcbbf32\">A CMC\/binder system optimized on cotton should not automatically be approved for a polyester-rich CVC or TC fabric.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2350a631\">Validate:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0639\u0631\u06cc\u0641 \u067e\u0631\u0646\u0679 \u06a9\u0631\u06cc\u06ba<\/li>\n\n\n\n<li>Color strength<\/li>\n\n\n\n<li>\u0631\u064e\u06af\u0691 \u0633\u06d2 \u0631\u0646\u06af \u06a9\u06cc \u067e\u0627\u0626\u06cc\u062f\u0627\u0631\u06cc<\/li>\n\n\n\n<li>Wash durability<\/li>\n\n\n\n<li>Hand feel<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-1f7cb0a2\">Water Quality and CMC-Binder Stability<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-53dbbc03\">CMC hydration and viscosity can respond to calcium, magnesium and overall ionic strength.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f625268a\">Water quality can therefore affect the pigment paste before binder compatibility is even evaluated.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-98275a36\">If a formulation works in the laboratory but not in production, compare:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Plant water hardness<\/li>\n\n\n\n<li>\u067e\u06cc \u0627\u06cc\u0686<\/li>\n\n\n\n<li>Conductivity<\/li>\n\n\n\n<li>Reference-water result<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f7bd88dd\">Hard water can also interact with other anionic or ionic formulation components.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b9dc4b18\">A practical trial should therefore use the actual plant water whenever possible.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-956b6d49\">Paste Holding Time and Storage Stability<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c25c048f\">A pigment paste may look stable immediately after preparation and change several hours later.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6931d34c\">Possible changes include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Viscosity drift<\/li>\n\n\n\n<li>Phase separation<\/li>\n\n\n\n<li>Flocculation<\/li>\n\n\n\n<li>\u062c\u06be\u0627\u06af<\/li>\n\n\n\n<li>Skin formation<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3ce39b52\">Holding stability should be tested over the realistic color-kitchen and printing window.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-01813429\">Record viscosity:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>After formula completion<\/li>\n\n\n\n<li>After the expected waiting time<\/li>\n\n\n\n<li>Near the end of the intended working period<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-68f84ac8\">If the binder\/CMC system changes with time, the first viscosity reading is not enough for production approval.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-0c9a633b\">How to Run a Binder-Compatibility Jar Test<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-6509e1be\">Step 1: Hydrate CMC Completely<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-50e9a7bc\">Use a standardized water, concentration, mixing method and hydration time.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-167e8b02\">Step 2: Add Binder at the Production Ratio<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-53bee45c\">Do not use an arbitrary binder concentration if the purpose is to qualify an existing formula.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-7c169b28\">Step 3: Add the Remaining Critical Components<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-45dc0273\">Include pigment dispersion, fixer and major auxiliaries in the validated sequence.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-9e2f8088\">Step 4: Observe Immediate Compatibility<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7c398796\">Check:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Flocs<\/li>\n\n\n\n<li>\u062c\u06cc\u0644 \u06a9\u06d2 \u0630\u0631\u0627\u062a<\/li>\n\n\n\n<li>\u0639\u0644\u06cc\u062d\u062f\u06af\u06cc<\/li>\n\n\n\n<li>\u062c\u06be\u0627\u06af<\/li>\n\n\n\n<li>Unexpected thickening or thinning<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-ef511d3b\">Step 5: Measure pH and Viscosity<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6e9a7464\">Use the same test method for all candidates.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-c10244ef\">Step 6: Hold the Sample<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ca288e0b\">Recheck after the intended working time.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-50dcb659\">A jar test cannot approve a CMC grade by itself, but it can quickly eliminate obviously incompatible candidates.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-3a145720\">How to Compare Rheology in the Laboratory<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-052d65ac\">At minimum, standardize:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CMC concentration<\/li>\n\n\n\n<li>Binder\/pigment formula<\/li>\n\n\n\n<li>\u067e\u0627\u0646\u06cc<\/li>\n\n\n\n<li>\u062f\u0631\u062c\u06c1 \u062d\u0631\u0627\u0631\u062a<\/li>\n\n\n\n<li>\u06c1\u0627\u0626\u06cc\u0688\u0631\u06cc\u0634\u0646<\/li>\n\n\n\n<li>Viscometer<\/li>\n\n\n\n<li>Spindle\/rotor<\/li>\n\n\n\n<li>RPM<\/li>\n\n\n\n<li>\u067e\u0691\u06be\u0646\u06d2 \u06a9\u0627 \u0648\u0642\u062a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2ab54fed\">If rheometry is available, compare viscosity across a useful shear-rate range rather than using only one point.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-abc0e43a\">For production screening, also observe:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Paste pickup by the screen<\/li>\n\n\n\n<li>Squeegee flow<\/li>\n\n\n\n<li>Screen release<\/li>\n\n\n\n<li>Stringiness<\/li>\n\n\n\n<li>Recovery after shear<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6ad1d14c\">The goal is to connect laboratory rheology with actual print behavior.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-b4e8bb93\">How to Run a Controlled Pigment Printing Trial<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-f6c6aa07\">Step 1: Select One Fabric Lot<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fd915348\">Avoid fabric variation during the first comparison.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-b905741b\">Step 2: Keep Binder and Pigment Constant<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2d093755\">Change only the CMC grade or dosage initially.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-51f7f8e7\">Step 3: Prepare the Complete Paste<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a7114f8a\">Use the actual formulation and mixing sequence.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-c47dccbc\">Step 4: Print the Same Diagnostic Pattern<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7bc7a33e\">Include fine lines, text, solids and high-coverage areas.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-8b9a7eb2\">Step 5: Dry and Cure Identically<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-76044982\">Use the same actual process conditions.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-0534d23d\">Step 6: Evaluate Print Formation<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a27a56c9\">Compare:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u06cc\u0632\u06cc<\/li>\n\n\n\n<li>Bleeding<\/li>\n\n\n\n<li>\u062f\u0631\u0627\u0646\u062f\u0627\u0632\u06cc<\/li>\n\n\n\n<li>\u062c\u0627\u0645\u062f \u0631\u0642\u0628\u0627\u0626\u06cc \u06cc\u06a9\u0633\u0627\u0646\u06cc\u062a<\/li>\n\n\n\n<li>Color strength<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-ba16a12f\">Step 7: Evaluate Finished Fabric<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-dd8a1b0a\">Compare:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dry rubbing<\/li>\n\n\n\n<li>Wet rubbing<\/li>\n\n\n\n<li>Wash durability<\/li>\n\n\n\n<li>Hand feel<\/li>\n\n\n\n<li>Surface residue<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-7db6be0f\">Step 8: Repeat with Binder Optimization if Needed<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c7b3a166\">If the CMC route improves printability but fastness or hand is not balanced, optimize binder\/cure separately rather than changing every component at once.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-363659f9\">Pigment Printing Troubleshooting Table<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0645\u0634\u0627\u06c1\u062f\u06c1 \u0634\u062f\u06c1 \u0645\u0633\u0626\u0644\u06c1<\/th><th>First Variables to Check<\/th><th>Do Not Assume<\/th><\/tr><\/thead><tbody><tr><td>Viscosity drops after binder addition<\/td><td>Ionicity, electrolyte load, pH, CMC grade<\/td><td>The original CMC viscosity was wrong<\/td><\/tr><tr><td>Gel\/flocs after fixer addition<\/td><td>Ionic compatibility, addition order, local concentration<\/td><td>More mixing will always solve it<\/td><\/tr><tr><td>Edges bleed<\/td><td>Complete-paste rheology, CMC dosage, screen\/application conditions<\/td><td>More binder is the solution<\/td><\/tr><tr><td>Poor rubbing fastness<\/td><td>Binder, pigment:binder ratio, curing<\/td><td>More CMC will fix the pigment<\/td><\/tr><tr><td>Fabric feels stiff<\/td><td>Binder solids\/modulus, CMC solids, pigment load, cure<\/td><td>CMC is the only cause<\/td><\/tr><tr><td>Good lab paste, unstable production paste<\/td><td>Water, holding time, mixing, actual binder lot<\/td><td>The CMC batch must have changed<\/td><\/tr><tr><td>Good viscosity but poor screen release<\/td><td>Shear thinning, elasticity, paste body<\/td><td>One-point viscosity defines rheology<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-5aa8cddf\">When Is a CMC Route Worth Testing?<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f68cb437\">CMC may be worth evaluating when the mill needs:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Paste-body adjustment<\/li>\n\n\n\n<li>Viscosity modification<\/li>\n\n\n\n<li>A supporting component in a compound thickener<\/li>\n\n\n\n<li>Water retention<\/li>\n\n\n\n<li>A different cost-performance route<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-69c2be3c\">But CMC should not automatically replace a low-solids synthetic pigment thickener if the existing system already delivers excellent:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0628\u0627\u0626\u0646\u0688\u0631 \u0645\u0637\u0627\u0628\u0642\u062a<\/li>\n\n\n\n<li>\u0631\u06cc\u0648\u0644\u0648\u062c\u06cc<\/li>\n\n\n\n<li>Soft hand<\/li>\n\n\n\n<li>Fastness<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-48a7bf03\">A good CMC trial should prove value in the complete system.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b2d00bcf\">The decision framework is:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a449c931\"><strong>CMC Grade \u2192 Complete Paste Rheology \u2192 Binder Compatibility \u2192 Print Definition \u2192 Curing\/Fastness \u2192 Fabric Hand \u2192 Total Cost in Use<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-eeee9b11\">What Information Should You Send to a CMC Supplier?<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b05a6469\">For useful pigment-printing CMC matching, provide:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pigment printing method: rotary, flat screen, coating or other<\/li>\n\n\n\n<li>Fabric composition and construction<\/li>\n\n\n\n<li>Current thickener product or TDS<\/li>\n\n\n\n<li>Current CMC grade if used<\/li>\n\n\n\n<li>CMC dosage<\/li>\n\n\n\n<li>Binder type\/brand or TDS<\/li>\n\n\n\n<li>Binder ionicity where known<\/li>\n\n\n\n<li>Binder dosage<\/li>\n\n\n\n<li>Fixer\/crosslinker<\/li>\n\n\n\n<li>Pigment concentration<\/li>\n\n\n\n<li>Complete or simplified formula<\/li>\n\n\n\n<li>\u0633\u064e\u0627\u0646\u0686\u0627\u0646 \u0627\u0648\u0631 \u0622\u0632\u0645\u0627\u0626\u0634\u06cc \u0637\u0631\u06cc\u0642\u06c1<\/li>\n\n\n\n<li>Plant-water hardness where relevant<\/li>\n\n\n\n<li>Drying and curing conditions<\/li>\n\n\n\n<li>Required rubbing\/washing fastness<\/li>\n\n\n\n<li>Hand-feel target<\/li>\n\n\n\n<li>Current viscosity, bleeding, fastness or stiffness problem<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c0603670\">FSX Chemical can use this information through <a href=\"https:\/\/fsxchemical.com\/ur\/%d8%ae%d9%90%d8%af%d9%85%d9%8e%d8%aa\/%d9%85%d8%b7%d8%a7%d8%a8%d9%82%d8%aa-%d9%be%d8%b0%db%8c%d8%b1-%d9%86%d9%85%d9%88%d9%86%db%92\/\">\u0646\u0645\u0648\u0646\u06d2 \u0627\u0648\u0631 \u0645\u0644\u0627\u067e<\/a> to select a CMC candidate or determine whether a CMC route is appropriate at all.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-e2a2b197\">How Should CMC Be Evaluated for Pigment Printing?<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-de64727c\">A practical qualification sequence is:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-451fb465\"><strong>CMC Solution QC \u2192 Binder Compatibility \u2192 Complete Paste Rheology \u2192 Printing \u2192 Drying\/Curing \u2192 Rubbing\/Washing Fastness \u2192 Hand Feel \u2192 Production Repeatability<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-816c9de9\">The key principles are:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>CMC is primarily a thickener\/rheology modifier, not the pigment binder.<\/strong><\/li>\n\n\n\n<li><strong>Pure-water viscosity does not predict complete pigment-paste behavior.<\/strong><\/li>\n\n\n\n<li><strong>Binder ionicity, electrolyte load and pH can change CMC viscosity and stability.<\/strong><\/li>\n\n\n\n<li><strong>Higher viscosity is not automatically better printing rheology.<\/strong><\/li>\n\n\n\n<li><strong>Binder and total polymer solids can both affect fabric hand.<\/strong><\/li>\n\n\n\n<li><strong>Final approval should balance printability, fastness, hand feel and Total Cost in Use.<\/strong><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-5c32796c\">\u0627\u06a9\u062b\u0631 \u067e\u0648\u0686\u06be\u06d2 \u062c\u0627\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u0633\u0648\u0627\u0644\u0627\u062a<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-22383093\">1. Can CMC be used in pigment printing?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a8b46214\">CMC can be evaluated as a thickener, rheology modifier or blend component in selected pigment printing formulations. Suitability depends on binder compatibility and the complete formula.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-301e3642\">2. Is CMC a pigment binder?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-59fc56dd\">No. CMC mainly controls paste rheology. A dedicated binder normally provides the durable polymer film that anchors pigment particles after curing.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-9b694704\">3. Why does CMC viscosity change after binder is added?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0147dfb3\">Binder ionicity, electrolytes, pH and other auxiliaries can change CMC chain behavior and apparent viscosity.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-4237f542\">4. Can CMC react badly with cationic additives?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6c572e5c\">It can. CMC is anionic, so strong ionic incompatibility with cationic components can cause flocculation or instability. Test the actual fixer or auxiliary package.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-9d795441\">5. Does higher CMC viscosity improve print sharpness?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-165deb92\">Not automatically. Printing depends on the full rheological profile, including flow under shear and structural recovery after application.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-c1bf00ad\">6. Can CMC make pigment-printed fabric stiff?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-75cab81d\">Excess CMC solids can contribute to surface residue or stiffness, but binder dosage, binder modulus, pigment loading and curing often have major effects as well.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-fa1bc369\">7. Does more binder improve rubbing fastness?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9531a0c0\">It can improve fastness within a suitable range, but excessive binder can increase stiffness. Binder chemistry and curing also matter.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-09a808ee\">8. Why is pure-water CMC viscosity not enough for selection?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e92a72b1\">The complete pigment paste contains binder, pigment, fixer and auxiliaries that can change viscosity and rheology.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-58d8170f\">9. Should I use low-viscosity CMC for softer hand?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-741c820a\">Not as a universal rule. Hand feel depends on required dosage, total polymer solids, binder film and curing, not only the CMC viscosity grade.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-a58884cc\">10. How should binder compatibility be tested?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-97be7162\">Prepare fully hydrated CMC, add binder and the critical production auxiliaries in the real ratio, then observe viscosity, pH, flocculation and holding stability before printing.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-b438b2d2\">11. Is CMC better than a synthetic pigment thickener?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2e13e420\">Neither is universally better. Low-solids synthetic thickeners are widely used in pigment printing, while CMC can add value in selected rheology or compound-thickener routes. Compare the complete system.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-93978c51\">12. What should I send FSX Chemical for CMC pigment-printing matching?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f2873292\">Send the current thickener, CMC requirement, binder\/fixer system, fabric, full or simplified formula, viscosity method, curing conditions, fastness target and hand-feel requirement.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-3a708fc5\">Evaluate CMC and Binder Compatibility with FSX Chemical<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b606b6dc\">If you are considering CMC in a pigment printing paste, FSX Chemical can help determine whether the next trial should focus on CMC grade, compound-thickener design, binder compatibility or a different thickener route.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b3977502\">For a relevant comparison, send:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Your current thickener TDS or sample<\/li>\n\n\n\n<li>Current or target CMC grade<\/li>\n\n\n\n<li>Binder TDS or basic chemistry<\/li>\n\n\n\n<li>Binder and fixer dosage<\/li>\n\n\n\n<li>Pigment type\/concentration<\/li>\n\n\n\n<li>Fabric composition and construction<\/li>\n\n\n\n<li>Complete or simplified formula<\/li>\n\n\n\n<li>Viscosity and full test method<\/li>\n\n\n\n<li>Plant water information where relevant<\/li>\n\n\n\n<li>Printing method<\/li>\n\n\n\n<li>Drying and curing conditions<\/li>\n\n\n\n<li>Dry\/wet rubbing results<\/li>\n\n\n\n<li>Hand-feel target<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b0cbdda8\">\u06a9\u06d2 \u0633\u0627\u062a\u06be \u0634\u0631\u0648\u0639 \u06a9\u0631\u06cc\u06ba <a href=\"https:\/\/fsxchemical.com\/ur\/%d8%ae%d9%90%d8%af%d9%85%d9%8e%d8%aa\/%d9%85%d8%b7%d8%a7%d8%a8%d9%82%d8%aa-%d9%be%d8%b0%db%8c%d8%b1-%d9%86%d9%85%d9%88%d9%86%db%92\/\">\u0646\u0645\u0648\u0646\u06d2 \u0627\u0648\u0631 \u0645\u0644\u0627\u067e<\/a> for a controlled formulation comparison.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3b3fcfbb\">\u0646\u0638\u0631\u062b\u0627\u0646\u06cc <a href=\"https:\/\/fsxchemical.com\/ur\/product\/carboxymethyl-cellulose-cmc\/\">FSX Chemical Carboxymethyl Cellulose (CMC)<\/a> and the <a href=\"https:\/\/fsxchemical.com\/ur\/%d8%af%d8%b1%d8%ae%d9%88%d8%a7%d8%b3%d8%aa%db%8c%da%ba\/cmc-application\/\">CMC Textile Printing Application Guide<\/a> for current grade-selection information.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-12e36f34\">You can also <a href=\"https:\/\/fsxchemical.com\/ur\/%d8%ae%d9%90%d8%af%d9%85%d9%8e%d8%aa\/request-a-quote\/\">\u0641\u06cc\u06a9\u0679\u0631\u06cc \u0633\u06d2 \u0628\u0631\u0627\u06c1\u0650 \u0631\u0627\u0633\u062a \u0642\u06cc\u0645\u062a \u0645\u0639\u0644\u0648\u0645 \u06a9\u0631\u06cc\u06ba<\/a> after the suitable route is established or <a href=\"https:\/\/fsxchemical.com\/ur\/contact-us\/\">FSX \u06a9\u06cc\u0645\u06cc\u06a9\u0644 \u0633\u06d2 \u0631\u0627\u0628\u0637\u06c1 \u06a9\u0631\u06cc\u06ba<\/a> for technical discussion\ud83d\udce7\u00a0<strong>\u0627\u06cc \u0645\u06cc\u0644<a href=\"https:\/\/fsxchemical.com\/ur\/contact-us\/\">: Service@fsxchemical.com<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9a9a9722\"><strong>CMC should earn its place in a pigment printing formula through binder compatibility, useful rheology and acceptable finished-fabric hand\u2014not through a high viscosity number alone.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>CMC can be evaluated as a rheology modifier or thickener in selected pigment printing formulations, but pure-water viscosity is not enough. Binder compatibility, complete-paste rheology, curing, rubbing fastness and finished fabric hand must be evaluated together.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"CMC for Pigment Printing: How to Evaluate Binder Compatibility, Rheology and Fabric Hand Feel","_seopress_titles_desc":"Learn how to evaluate CMC for pigment printing through binder compatibility, paste rheology, curing, rubbing fastness and finished fabric hand feel.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[1],"tags":[1488,1486,1122,1487,1129,1327,1369],"class_list":["post-10967","post","type-post","status-publish","format-standard","hentry","category-technical-guides","tag-acrylic-binder","tag-binder-compatibility","tag-cmc","tag-fabric-hand-feel","tag-pigment-printing","tag-printing-rheology","tag-textile-thickener"],"acf":[],"_links":{"self":[{"href":"https:\/\/fsxchemical.com\/ur\/wp-json\/wp\/v2\/posts\/10967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fsxchemical.com\/ur\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fsxchemical.com\/ur\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fsxchemical.com\/ur\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fsxchemical.com\/ur\/wp-json\/wp\/v2\/comments?post=10967"}],"version-history":[{"count":3,"href":"https:\/\/fsxchemical.com\/ur\/wp-json\/wp\/v2\/posts\/10967\/revisions"}],"predecessor-version":[{"id":10970,"href":"https:\/\/fsxchemical.com\/ur\/wp-json\/wp\/v2\/posts\/10967\/revisions\/10970"}],"wp:attachment":[{"href":"https:\/\/fsxchemical.com\/ur\/wp-json\/wp\/v2\/media?parent=10967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fsxchemical.com\/ur\/wp-json\/wp\/v2\/categories?post=10967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fsxchemical.com\/ur\/wp-json\/wp\/v2\/tags?post=10967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}