Wet Unexpanded Expandable Microspheres CAS 38742-70-0 WU Grade Water-based System Foaming Agent
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Wet Unexpanded Expandable Microspheres CAS 38742-70-0 (WU Grade) are thermally expandable foaming agents specially developed for water-based systems. The microspheres exist in wet slurry state and feature excellent dispersion stability in aqueous formulations without agglomeration. When heated to suitable processing temperature, they expand controllably and form uniform closed-cell structures. This product realizes lightweight modification of water-based coatings, adhesives and wat
Wet Unexpanded Expandable Microspheres CAS 38742-70-0 WU Grade Water-based System Foaming Agent
Product Overview
WU Grade Wet Unexpanded Expandable Microspheres are professional thermoexpandable foaming agents specially customized for water-based systems. Different from dry microspheres, this product adopts wet slurry form, featuring ultra-stable dispersion in aqueous formulas without precipitation, agglomeration or floating particles. It perfectly solves the dispersion difficulty of dry expandable microspheres in water-based environments.
Under specific heating conditions, the unexpanded microspheres achieve controllable thermal expansion and form uniform, fine closed-cell structures. It effectively reduces product density, improves texture and surface flatness, and delivers stable lightweight, filling and foaming effects. Widely applicable to water-based coatings, waterborne adhesives, aqueous polymer slurries and other water-based industrial formulations, WU grade microspheres are the ideal foaming modification additive for water-based system lightweight upgrading.
Core Features
Professional Water-based FormulaDesigned exclusively for aqueous systems, excellent water dispersion and suspension performance. No grinding or pre-dissolving required, compatible with various water-based raw materials directly.
Stable Wet Slurry StateUniform wet microsphere slurry with long-term storage stability, no particle settling and layering. Maintains consistent formula uniformity during batch production.
Controllable Thermal Expansion PerformanceStable expansion temperature range, uniform expansion ratio. Forms dense closed cells after heating, effectively improving product elasticity, heat insulation and sound insulation performance.
No Damage to Water-based System PropertiesNeutral formula, low VOC, odorless and environmentally friendly. Will not affect viscosity, adhesion, gloss and other core indicators of water-based coatings and adhesives.
Convenient Processing & High EfficiencyDirectly stir and mix with water-based materials at room temperature, no complex pretreatment. Adaptable to conventional coating, coating and curing processes.
Cost-effective Lightweight SolutionLow addition dosage brings obvious weight reduction and volume expansion effects, reducing raw material costs and improving product market competitiveness.
Product Specifications
Product Name: WU Grade Wet Unexpanded Expandable Microspheres
CAS No: 38742-70-0
Appearance: Uniform white wet slurry
Product Type: Water-based thermoexpandable foaming agent, lightweight filler
Applicable System: All kinds of water-based / aqueous systems
Applicable Scenarios: Water-based coatings, waterborne adhesives, aqueous polymer materials, water-based pastes
Core Functions: Foaming modification, lightweight filling, density reduction, texture optimization, heat insulation improvement
Recommended Dosage: 1.0%–5.0% (adjustable according to foaming and lightweight requirements)
Application Scope
WU grade wet expandable microspheres are widely used for foaming and lightweight modification of various water-based industrial products. Mainly applied in water-based architectural coatings, functional thermal insulation coatings, waterborne adhesive fillers, textile water-based printing pastes, aqueous polymer composite materials and other fields. It effectively solves the problems of heavy weight, high cost, single texture and poor thermal insulation of traditional water-based products, greatly improving the comprehensive performance and added value of finished products.
Usage Guide
Add WU grade wet microsphere slurry into water-based raw materials at room temperature, stir evenly at low speed. No high-speed shearing and high-temperature preheating are required to avoid premature expansion of microspheres. Complete thermal foaming and closed-cell molding during the heating and curing process of finished products. Adjust the addition amount, curing temperature and process parameters according to the expected foaming effect and product performance standards. Seal and store the product to avoid long-term exposure and high temperature environment.
Packaging & Storage
Packaging: Standard industrial packaging, sealed anti-leakage packaging for wet slurry, suitable for long-distance transportation and bulk factory supply.
Storage: Store in a cool, dry and ventilated warehouse, keep tightly sealed. Avoid direct sunlight, high temperature and freezing environment to ensure slurry stability and microsphere activity. The valid shelf life is 12 months under standard storage conditions.
Our Advantages
Our WU grade wet unexpanded microspheres have stable batch consistency and excellent water-based compatibility, specially developed for aqueous system foaming demands. Compared with traditional dry microspheres, they completely avoid dispersion and agglomeration problems in water-based formulas. We support factory direct sales, stable bulk supply, free sample testing and professional formula technical guidance, helping customers optimize production processes and reduce overall costs.
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