White Fused Alumina
White fused alumina was made from the high
quality alumina by melting above 2000 in the electric arc furnace and cooling.
It is white with the main crystal phase alpha-Al2O3.The white alumina produced
in titling electric arc furnace has the advantage of high bulk density and low
porosity and the volume stability and thermal shock resistance can be improved.
Main Physical Properties
|
MOHS HARDNESS
|
9.0
|
|
BULK DENSITY
|
1.75-1.95g/cm3
|
|
SPECIFIC GRAVITY
|
3.95g/cm3
|
|
properties
Type
|
ABRASIVES GRADE
|
|
“FEPA”
|
8# 10# 12# 14# 16# 20#
22# 24#
30# 36# 40# 46# 54# 60#
70# 80# 90# 100# 120# 150# 180# 220#
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
|
Al2O3
|
≥99
|
99.20
|
|
SiO2
|
≤0.4
|
0.08
|
|
Fe2O3
|
≤0.2
|
0.06
|
|
Na2O
|
≤0.4
|
0.35
|
|
|
|
|
|
|
Application
1, Bonded
abrasives and Coated abrasives
2，Floor / Wall Laminates
3，Thermal Spraying (Plasma Spraying)
4，Lapping & Micro-blasting applications
5，Surface preparation and finishing
