Calcined Diatomite CAS 91053-39-3 is processed by high-temperature calcination and purification. Organic impurities are removed, forming stable rigid honeycomb porous structure. As multifunctional extender filler for paints and coatings, it delivers uniform matte finish, optimizes air permeability of cured film and enhances thermal & sound insulation performance. Chemically inert, it mixes well with resins, pigments and additives. It serves as economical functional mineral raw material for archi

Product Detail

Product Overview

Calcined Diatomite CAS 91053-39-3 Functional Coating Extender is customized mineral filler for paint industry. Compared with raw diatomite, calcined grade features higher chemical stability and lower soluble organics. Its unique porous skeleton endows coatings additional functional properties beyond simple filling. It helps coating manufacturers improve surface texture, optimize film performance and cut overall production costs.

Key Features

CAS Number: 91053-39-3, High-temperature Calcined Purified Diatomite
Stable honeycomb porous structure, produce uniform matte surface on coating film
Improve paint breathability, reduce blistering, peeling and condensation defects
Enhance thermal insulation and sound absorption performance of coating layers
Chemically inert, acid and alkali resistant, suitable for diverse coating systems
Excellent compatibility with waterborne coatings, solvent paints and texture coatings
Controlled oil absorption value, convenient for viscosity adjustment during production
Cost-effective extender to partially replace titanium dioxide and expensive fillers

Main Applications

Matte functional filler for interior and exterior architectural waterborne coatings
Functional additive for texture paint, artistic coatings and wall putty
Thermal insulation & sound-absorbing industrial coating raw material
Anti-condensation coating, fireproof coating inorganic extender

Usage Guidance

Add calcined diatomite gradually under medium stirring speed in the dispersion stage. Adjust dosage according to target gloss and film property requirements. Avoid prolonged high-shear stirring which may damage diatom skeletal structure. Complete lab formulation test to verify viscosity, gloss and weather resistance before mass production. Wear dust mask during operation.

Storage & Package

Seal packages tightly. Store in dry ventilated warehouse to prevent moisture absorption. Standard package: 25kg woven bag with PE inner liner. Shelf life: 24 months under dry sealed storage.

Service Support

Coating formulation trial samples available. COA and TDS documents can be provided upon request. Stable bulk supply capacity. Welcome to inquire factory quotation.

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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.