Name: White Fused Alumina
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White Fused Alumina

White Fused Alumina has outstanding hardness and toughness, and is suitable for various types of grinding (WFA) is characterized with high hardness, yet friable with high purity, chemical stability, a high melting point, and large crystal size. To be used for Bonded abrasives and Coated abrasives.

Specifications

Chemical composition

Grit Size	Chemical Composition%(by weight)
Grit Size	Al₂O₃	Na₂O	SiO₂	Fe₂O₃
F12-F80	≥99.60	≤0.30	0.03-0.06	0.01-0.05
F90-F150	≥99.30	≤0.35	0.03-0.06	0.01-0.05
F180-F220	≥98.60	≤0.40	0.03-0.06	0.01-0.05

Physical property

Basic Minerals	Cystal Size Um	True Density g/cm³	Bulk Density G/Cm³	Hardness Kg/mm²
A-Al₂O₃(%)	600-1400	≥3.90	1.40-1.95	2200-2300

The Bulk Density of brown fused alumina

Grit Size	Bulk Density ( g/cm³)	Grit Size	Bulk Density ( g/cm³)
F16	1.70-1.85	F60	1.59-1.74
F20	1.70-1.85	F70	1.57-1.72
F22	1.70-1.85	F80	1.55-1.70
F24	1.70-1.85	F90	1.53-1.68
F30	1.69-1.84	F100	1.51-1.66
F36	1.67-1.83	F120	1.49-1.64
F40	1.65-1.82	F150	1.47-1.62
F46	1.63-1.78	F180	1.45-1.60
F54	1.61-1.76	F220	1.43-1.58