Wfa First Grade Al2O3 99%Min Aluminum Oxide White Color for Refractory Brick

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White fused alumina 99%
Our white fused alumina choose first grade aluminum oxide as raw material and smelt in arc electronic furnace in high temperature. It has properties of good crystal, big bulk density, high purity, high temperature resistant, anti corrosion etc. White fused alumina widely used in high grade refractory products, abrasive, abrasive tools, polishing, special ceramic etc.

Chracteristics of WFA from us:
Choosing high quality aluminum oxide as raw material
High refractoriness
High purity
Anti-alkali & acid corrosion

Good thermal stability
Good self-sharpening
Good grinding ability
Suitable for grinding high carbon steel, high speed steel etc.
Meet GB, FEPA, JIS, ANSI standard

Model: WFA JIS#4000
Chemical compositions		Physical properties
Items	specification (%)	Items		Property
Al2O3	99.00min	Color		White
SiO2	0.15max	Bulk density		1.75-1.95g/cm3
Na2O	0.35max	True density		3.95-3.97g/cm3 min
Fe2O3	0.08max	hardness	Mohs hardness	9
			Micro hardness	21600-22600kg/mm3
usage	Abrasive/polishing	magnetic substance		0.0023%max