Water-based System Expandable Microspheres CAS 38742-70-0 are low temperature heat activated foaming agents optimized for aqueous formulations. The microspheres disperse stably in water-based systems and expand uniformly upon moderate heating to form fine closed-cell structure. It features low activation temperature, excellent water compatibility, low odor and stable foaming performance, widely used for lightweight modification, texture and embossing effect of water-based coatings, inks and slur

Product Detail

Water-based System Expandable Microspheres CAS 38742-70-0 Low Temp Heat Activated Foaming Agent

Product Overview

CAS 38742-70-0 Water-based System Expandable Microspheres are specially optimized low-temperature heat-activated foaming agents for all kinds of aqueous formulations. Different from traditional oil-based foaming additives, this microsphere powder has excellent hydrophilic dispersion performance, which can be uniformly and stably dispersed in water-based coatings, water-based inks, aqueous slurries and other water-based systems. Under low-temperature heating conditions, the microspheres expand stably and evenly to form uniform closed-cell microstructures. It effectively endows products with lightweight performance, delicate matte texture, three-dimensional embossing effect and heat insulation properties. With low activation temperature, no agglomeration, low odor and environmentally friendly features, it is a dedicated physical foaming modifier for upgrading water-based product performance.

Core Features

Excellent Water-Based Compatibility: Specially modified surface structure realizes super stable dispersion in aqueous systems. No floating powder, precipitation or agglomeration, which perfectly adapts to various water-based industrial formulas without affecting system stability.

Low Temperature Heat Activation: Features low foaming initiation temperature and mild foaming process. It completes uniform expansion at low temperature, avoids high-temperature damage, yellowing and substrate deformation, and matches perfectly with low-temperature curing process of water-based products.

Pure Physical Foaming & Eco-Friendly: Adopts physical thermal expansion principle, no chemical reaction, no harmful volatile substances and peculiar smell. Low VOC, safe and environmentally friendly, meeting international environmental protection standards for water-based decorative and industrial materials.

Multi-Functional Modification: Effectively reduce product density to achieve lightweight effect, form delicate matte and three-dimensional textured surface, and improve the heat insulation, wear resistance and anti-cracking performance of water-based coating films.

Stable Foaming Performance: Uniform particle size and stable expansion ratio, consistent foaming effect in batch production. The modified finished product has stable texture, firm structure and long-lasting service performance.

Product Specifications

Product Name: Water-based System Expandable Microspheres

CAS No: 38742-70-0

Product Type: Low Temp Heat Activated Physical Foaming Agent

Foaming Temperature Range: 75℃–110℃

Appearance: White Ultra-Fine Powder

Applicable System: All water-based formulas (water-based coating, ink, slurry, emulsion)

Core Function: Physical foaming, lightweight filling, matte texture, 3D embossing, heat insulation

Recommended Dosage: 1.0%–3.5% (Adjustable according to foaming and texture requirements)

Application Scope

Widely used in various water-based industrial and decorative materials. Including water-based architectural coatings, water-based texture coatings, water-based inks, water-based leather finishing slurries, water-based wallpaper coatings and other aqueous system products. It is suitable for surface matte modification, three-dimensional embossing treatment and lightweight upgrading of water-based products, covering home decoration, industrial manufacturing, leather processing and other fields.

Usage Guide

Add the expandable microspheres into water-based raw materials under low-speed stirring at room temperature, and stir slowly until fully and evenly dispersed. Strictly avoid high-speed shear stirring and high-temperature preheating to prevent microsphere rupture and premature foaming. After dispersion, construct according to the conventional process of water-based products. Complete heat activation and uniform foaming forming through low-temperature drying and curing. Adjust the dosage, curing temperature and time appropriately according to the expected foaming height and surface texture effect. Keep sealed and moisture-proof during daily use and storage.

Packaging & Storage

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

Storage: Store in a dry, cool and ventilated indoor environment, keep tightly sealed all the time. Avoid direct sunlight, high temperature stacking and humid air to prevent spontaneous foaming and caking. The shelf life is 12 months under standard storage conditions.

Our Advantages

We provide high-quality water-based special expandable microspheres with stable batch quality, excellent water dispersion and uniform low-temperature foaming effect. The product will not cause delamination, fading or performance attenuation of water-based systems, ensuring stable and high-quality finished product effect. We support factory direct sales, long-term stable bulk supply, free sample testing and professional water-based formula technical guidance, helping manufacturers optimize processes, reduce costs and improve product competitiveness.

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.