The application scope of Brown Fused Alumina:
1£ºFor abrasive
2£ºFor refractory materials
3£ºFor sandblasting abrasive
4£ºFor abrasion resistance ground
5£ºFor producing mold of precision casting
Brown Fused Alumina
Purpose |
Specification |
Chemical composition(%) |
Magnetic material content(%) |
Al2O3 |
Fe2O3 |
SiO2 |
TiO2 |
For abrasive |
F |
4#¡ª80# |
95.0 Min |
0.3 Max |
1.5 Max |
3.0 Max |
0.05 Max |
90#¡ª150# |
94.0 Min |
0.03 Max |
180#¡ª240# |
93.0 Min |
0.3 Max |
1.5 Max |
3.5 Max |
0.02 Max |
P |
8#¡ª80# |
95.0 Min |
0.2 Max |
1.2 Max |
3.0 Max |
0.05 Max |
100#¡ª150# |
94.0 Min |
0.03 Max |
180#¡ª220# |
93.0 Min |
0.3 Max |
1.5 Max |
3.5 Max |
0.02 Max |
W |
1#-63# |
92.5 Min |
0.5 Max |
1.8 Max |
4.0 Max |
¡ª |
For refractory |
Size sand |
0-1mm
1-3mm
3-5mm
5-8mm
8-12mm |
94.5 Min |
0.3 Max |
1.5 Max |
3.0 Max |
¡ª |
0-3mm
0-5mm
0-10mm
0-25mm |
94.5Min |
0.3 Max |
1.5Max |
3.0Max |
¡ª |
Fine powder |
180#-0
240#-0
320#-0 |
93.5 Min |
0.5 Max |
1.5 Max |
3.5 Max |
¡ª |
Attention:
F means the specification for bonded abrasives and sandblasting
W means microry powder.
320# is W40.
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