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Brown Fused Alumina with High Temperature Treatment P Grains

Brown Fused Alumina with High Temperature Treatment P Grains

Brown Fused Alumina for coated abrasives is produced under well water-washing and carefully sieving again on the basis of FEPA Standard.

This is the kind of Brown Fused Aluminium Oxide grain for coated abrasives application is calcined under 1050℃-1300℃, the grain shape is very sharp, high abrasive ability , good self-sharpening and very good toughness with the high temperature treatment. It is used for producing high quality all kinds of coated abrasives products, such as sand paper, cloth, belts, and so on.

Chemical Composition:

Purpose

Specification

Chemical composition(%)

Magnetic material content(%)

Al2O3

Fe2O3

SiO2

TiO2

For abrasive

P

12#—80#

90#—150#

180#—240#

Physical Properties

Color

Deep Blue

Crystal Form

Alpha-alumina trigonal system

Hardness

9.0 Mohs scale

Melting Temperature

About 2050 ℃

Maximum Use Temperature

1800℃

True Density(g/cm3)

≥3.90

Magnetic Material


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