Original
By certification 
Specification
|
Purpose
|
Specification
|
Chemical composition(%)
|
Magnetic material content(%)
|
||||
|
Al2O3
|
Fe2O3
|
SiO2
|
TiO2
|
||||
|
For refractory
|
Size sand
|
0-1mm
1-3mm
3-5mm
5-8mm
8-12mm
|
95 Min
|
0.3 Max
|
1.5 Max
|
3.0 Max
|
—
|
|
0-3mm
0-5mm
0-10mm
0-25mm
|
95Min | 0.3 Max | 1.5Max | 3.0Max |
—
|
||
|
Fine powder
|
180#-0
240#-0
320#-0
|
93.5 Min
|
0.5 Max
|
1.5 Max
|
3.5 Max
|
—
|
|
| Physical Properties | |||||
| Colour | True Density | Mohs Hadness | Melting Temperature | Crystal System | Refractory Temperature |
| Brown |
3.90g/cm3
|
9.0 | 2050℃ | trigonal system |
1900℃ |
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