1000# 1200# 1500# 2000# 2500# polishing white fused alumina powder

Its hardness is slightly higher than that of brown corundum and its toughness is slightly lower. It is made by smelting and cooling above 2000 degrees in arc, grinding and shaping, removing iron by magnetic separation, and sieving into many kinds of granularity. It is compact in texture, high in hardness and sharp in shape.

$880.00$900.00 / MT

White fused alumina is a white abrasive made from industrial alumina powder (Al2O3) with a content of over 98% and a small amount of iron oxide and silicon oxide. It is a white abrasive which is melted at high temperatures.

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Physical & Chemical

White Fused Alumina/ White Corundum/ White Aluminium Oxide in abrasive

Test items

indicators

Mohs hardness

9.0

Bulk density

1.75-1.95g/cm3

Real density

3.95g/cm3

Melting point

2250℃

The highest operating temperature

1900℃

Used for abrasive, lapping, polishing

Properties

Type

FEPA

F230 F240 F280 F320 F360 F400 F500 F600 F800

 F1000 F1200 F1500 F2000

JIS

240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000#

Guarantee Value

Typical Value

Chemical composition

AI2O3

99.0 min

99.2

SiO2

0.4 max

0.08

Fe2O3

0.2 max

0.06

Na2O

0.4max

0.35

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