The specification for White fused alumina micropowder

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