80-120℃ Expandable Polymer Microspheres CAS 38742-70-0 serve as lightweight filler suitable for low curing temperature coating systems. The microspheres expand evenly upon heating to form closed-cell structure, effectively lowering coating density and delivering thermal insulation, matte texture. It features moderate foaming temperature, excellent compatibility with various coatings and stable lightweight modification performance.

Product Detail

80-120℃ Expandable Polymer Microspheres CAS 38742-70-0 Low Curing Temperature Coating Lightweight Filler

Product Overview

80-120℃ Expandable Polymer Microspheres CAS 38742-70-0 are high-performance lightweight functional fillers customized for low curing temperature coating systems. With a moderate foaming temperature range of 80℃ to 120℃, the polymer microspheres achieve uniform and stable expansion during conventional coating curing. It forms a fine closed-cell foam structure inside the coating film, effectively reducing overall coating density and realizing lightweight modification. Featuring excellent dispersion, wide system compatibility and stable foaming performance, this product optimizes coating matte texture, heat insulation and anti-cracking properties. It is an ideal lightweight additive for water-based and solvent-based low-temperature curing coatings.

Core Features

Moderate 80-120℃ Foaming Range: Matches perfectly with low-temperature curing process of industrial coatings. Complete full expansion and film forming at medium and low temperature, avoiding coating yellowing, brittle cracking and substrate damage caused by overheating.

Efficient Lightweight Modification: Uniformly expanded closed-cell structure greatly reduces coating weight and surface density. It effectively lowers material consumption and coating surface load, suitable for lightweight coating production requirements.

Excellent Coating System Compatibility: Optimized polymer shell structure ensures great dispersibility in various coating slurries. No agglomeration, precipitation or floating powder, maintaining excellent flatness, adhesion and mechanical properties of coating film.

Enhanced Coating Comprehensive Performance: Improves coating matte texture and soft hand feel, enhances heat insulation, sound insulation and anti-shrinkage ability. Effectively solves common problems such as thick coating feel, easy cracking and poor flatness of traditional heavy fillers.

Stable & Eco-Friendly: Pure physical foaming without chemical decomposition, low odor and low volatility. No harmful residues after film formation, compliant with environmental protection standards for industrial and architectural coatings.

Product Specifications

Product Name: Expandable Polymer Microspheres

CAS No: 38742-70-0

Product Type: Lightweight Functional Filler / Physical Foaming Additive

Foaming Temperature Range: 80℃–120℃

Appearance: White Ultra-Fine Powder

Applicable Process: Low temperature curing coating system

Core Function: Lightweight filling, matte modification, heat insulation, anti-cracking

Recommended Dosage: 1.0%–4.0% (Adjustable according to lightweight and texture requirements)

Application Scope

Widely used in all kinds of low-temperature curing coating products, including architectural decorative coatings, industrial protective coatings, water-based matte coatings, flexible surface coatings, texture coatings and anti-slip coatings. It is also applicable for paint finishing of plastic, metal, wood and other substrates, serving as a universal lightweight filler to upgrade coating texture and reduce finished product weight.

Usage Guide

Add expandable polymer microspheres into coating slurry under low-speed stirring state, disperse evenly at room temperature. Avoid high-speed shear and excessive stirring to prevent microsphere rupture and premature foaming. After uniform mixing, construct according to normal coating process. Complete foaming and lightweight forming during low-temperature curing at 80-120℃. Adjust addition amount, curing temperature and time properly according to target coating weight, matte degree and film thickness. Keep sealed and moisture-proof during operation and storage.

Packaging & Storage

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

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

Our Advantages

We supply high-quality 80-120℃ expandable polymer microspheres with stable batch foaming temperature and uniform expansion ratio. The product has stable lightweight modification effect, does not affect coating adhesion, gloss and color stability. We support factory direct sales, long-term stable bulk supply, free sample testing and professional coating formula debugging services, helping coating manufacturers reduce costs and improve product surface texture and market 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.