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HI Technical Guides for Textile Printing Chemicals
Explore practical guidance on product selection, applications, testing and supplier evaluation for CMC, CMS, sodium alginate, digital printing paste and textile printing thickeners.
How Fabric Pick-Up Affects Color Yield and Bleeding in Reactive Inkjet Printing
Fabric pick-up determines how much pretreatment chemistry and water actually remain on the fabric after application. Too little or excessive pick-up can change color yield, bleeding, penetration, drying and fixation. This guide explains how to measure and optimize a stable working window for reactive inkjet printing.
How Pretreatment pH Affects Reactive Digital Printing on Cotton and Viscose
Pretreatment pH affects reactive dye fixation, hydrolysis, thickener stability and finished color performance. Cotton and viscose should not automatically use the same alkaline window because pick-up, absorbency and penetration can differ.
Urea, Alkali and Anti-Reducing Salt in Reactive Digital Pretreatment: What Does Each Component Do?
Urea, alkali and anti-reducing salt perform different functions in reactive digital pretreatment. Urea supports moisture and dye mobility, alkali creates the fixation environment, and anti-reducing salt helps protect selected dye systems from reducing conditions during steaming.
Why Reactive Digital Prints Bleed: Pretreatment, Fabric and Drying Causes
Reactive digital printing bleeding is rarely caused by viscosity alone. Pretreatment chemistry, fabric absorbency, wet pick-up, residual moisture, drying and ink loading can all change how reactive ink droplets spread across and through the fabric.
Digital Textile Pretreatment Filtration: How to Control Residue Before Fabric Application
Digital textile pretreatment residue can come from incomplete polymer hydration, formula incompatibility, water hardness, foreign contamination or storage instability. Filtration should remove process-relevant particles without creating excessive pressure drop or impractical production throughput.
How to Store Pretreated Fabric Before Reactive Digital Printing
Pretreated fabric should be managed as a controlled intermediate product. Humidity, temperature, holding time, roll pressure, alkali, urea and moisture regain can change the fabric state before reactive inkjet printing and affect final color, bleeding and process repeatability.
Disperse Direct Printing vs. Sublimation Transfer: What Changes in Textile Pretreatment?
Direct disperse printing and sublimation transfer use related dye chemistry but control the image on different surfaces. Direct printing may require fabric pretreatment to control aqueous ink on polyester, while transfer printing relies heavily on coated transfer paper and heat-transfer conditions.
Pigment Digital Printing Pretreatment vs. Binder: What Does Each One Actually Do?
Pigment pretreatment and binder perform different functions. Pretreatment controls how pigment ink interacts with the fabric before curing, while binder forms the polymer film responsible for durable pigment fixation. The correct system must balance color strength, sharpness, rubbing fastness and fabric hand.
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