CAS 38742-70-0 Expandable Microspheres are medium-temperature foaming additives specially developed for 3D screen printing puff ink. When heated after printing, microspheres expand uniformly to form full three-dimensional embossed textures on fabric surfaces. Featuring moderate activation temperature, excellent dispersibility in puff ink and stable foaming height, it produces distinct stereo effect with firm adhesion and outstanding washing resistance. Widely applicable to various fabric puff pr

Product Detail

CAS 38742-70-0 3D Screen Printing Expandable Microspheres Medium Temperature Puff Ink Additive

Product Overview

CAS 38742-70-0 Expandable Microspheres are dedicated medium-temperature foaming additives developed for textile 3D screen printing puff ink. During post-printing heating curing, microspheres expand evenly to form plump three-dimensional embossed texture on fabric surface. The product features moderate activation temperature, good dispersion performance in puff ink systems and stable foaming height. It delivers clear stereo effect, firm adhesion and excellent washing resistance. Suitable for all kinds of fabric puff printing, it is the ideal functional raw material for high-quality 3D embossed textile printing.

Core Features

Medium Temperature Controlled Foaming

Matched heating temperature fits conventional textile printing curing process. Realize uniform expansion without excessive foaming rupture or insufficient bulging, stable effect in mass screen printing.

Excellent Ink Dispersion Performance

Ultra-fine microsphere powder disperses evenly inside puff ink without agglomeration or screen clogging. It does not damage printing screen and guarantees smooth continuous screen printing production.

Plump & Delicate 3D Embossed Effect

Form uniform raised stereo layer after expansion. Clear texture, stable bulging height, soft touch, effectively upgrade the visual layering of textile printed patterns.

Strong Adhesion & Good Wash Fastness

The foamed embossed layer combines tightly with fabric base material. Not easy to peel off after repeated washing and friction, maintaining long-lasting three-dimensional effect.

Wide Fabric Adaptability

Compatible with cotton, polyester, blended fabrics and other textiles. Works well with water-based puff ink systems, no discoloration and no adverse impact on ink color.

Safe Physical Foaming

Pure thermal expansion principle, no chemical decomposition, low odor and low VOC. Meet environmental requirements for textile printing auxiliaries.

Product Specifications

Product Name: 3D Screen Printing Expandable Microspheres

CAS No: 38742-70-0

Product Type: Medium Temperature Puff Ink Additive

Foaming Temperature Range: 110℃–150℃

Appearance: White Ultra-Fine Powder

Applicable System: Water-based textile puff ink, screen printing embossing ink

Core Function: 3D foaming, stereo embossing, puff effect formation

Recommended Dosage: 2.0%–5.0% (Adjust according to target embossing height)

Application Scope

Mainly applied in textile screen printing industry for 3D puff embossing processing. Widely used for garment printing, sportswear patterns, canvas bag printing, textile accessories and other fabric printing. Applicable to cotton, polyester, blended fabrics, suitable for factory mass screen printing production.

Usage Guide

Add expandable microspheres into puff ink under low-speed stirring and disperse slowly to homogeneity. Avoid high-speed shear stirring to prevent microsphere breakage and premature foaming. Conduct screen printing with prepared puff ink. Complete foaming and stereo embossing by medium-temperature drying and baking. Adjust dosage, baking temperature and holding time to obtain ideal bulging effect. Keep sealed and moisture-proof during storage.

Packaging & Storage

Packaging: 25kg sealed moisture-proof composite bag with inner PE liner, dust-proof and leak-proof for bulk transportation.

Storage: Store in dry, cool and ventilated warehouse, keep tightly sealed. Avoid direct sunlight, high temperature accumulation and humid environment to prevent caking and spontaneous foaming. Standard shelf life is 12 months under proper storage conditions.

Our Advantages

Our screen printing expandable microspheres own stable foaming performance, consistent embossing height and outstanding dispersion in puff ink. Effectively avoid screen clogging, uneven foaming and pattern collapse problems. We support factory direct supply, stable bulk order, free sample testing and professional printing ink formulation technical support to help printing factories improve finished product quality.

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