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Pink Fused Alumina

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Product Description

PINK FUSED ALUMINA

Pink Fused Alumina is produced by adding chromium oxide to high purity aluminum oxide during the fusing process. The amount of chromium oxide added affects the color of the final product, as well as the toughness of the grain. With increased additions of chromium oxide, the toughness of the grain increases.

Suntek Material’s Pink Fused Alumina is used in vitrified grinding wheels, coated abrasives, blasting abrasives and other applications.

Chemical composition (%):

Grit	low chromium			medium chromium			high chromium
Grit	Al2O3	Cr2O3	Na2O	Al2O3	Cr2O3	Na2O	Al2O3	Cr2O3	Na2O
F12~F80	≥98.50	0.2~0.45	≤0.50	≥98.50	0.45~1.00	≤0.50	≥97.40	1.00~2.00	≤0.55
F90~F150	≥98.50		≤0.55	≥98.20		≤0.60	≥97.00		≤0.60
F180~F220	≥98.00		≤0.60	≥97.80		≤0.70	≥96.50		≤0.70

Physical property:

Basic minerals	Crystal size μm	True density g/cm3	Bulk density g/ cm3	Knoop hardness kg/mm2
α-Al2O3	600-2000	≥3.90	1.40-1.91	2200-2300

Pink Fused Alumina

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