Calcined Kaolin Powder, 2.5μm

Catalog NumberACFR000007

CategoryFunctional Inorganic Powder

Description	Calcined Kaolin Powder is a thermally treated mineral with a high refractoriness of 1770-1790°C. It exhibits high whiteness, soft texture, excellent suspension, and superior electrical insulation. Chemically, it offers good acid and alkali resistance, a low cation exchange capacity, and strong fire resistance.
Appearance	white pwder
Application	Widely used as a functional filler and raw material in plastics, rubber, coatings, papermaking, ceramics, and specialty chemical industries, where it enhances mechanical strength, insulation, surface quality, and processing efficiency.
Al₂O₃	≥42%
Fe₂O₃	≤0.3%
Feature	High whiteness and soft texture with excellent dispersibility and suspension properties. Strong plasticity and high bonding strength enhance material cohesion. Outstanding electrical insulation performance. Chemically inert with resistance to acids and alkalis.
Ignition Loss	≤ 1.0%
Particle Size	2.5±0.5μm
SiO₂	≤ 55%
Volatiles	≤ 0.5%
Whiteness	≥92%

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