- Place of Origin: Henan China (Mainland)
- Material: Alumina Block
WFA,
Al2O3 99%MIN
SiO2 0.2%MAX
Fe2O3 0.1%MAX
Na2O 0.4%MAX
WHITE FUSED ALUMINA
( WFA )
Items | Unit | Index | Typical | ||
Chemical composition | Al2O3 | % | 99.20min | 99.60 | |
SiO2 | % | 0.20max | 0.11 | ||
Fe2O3 | % | 0.10max | 0.04 | ||
Na2O+K2O | % | 0.40max | 0.21 | ||
Refractoriness | 1850min | ||||
Bulk density | g/cm3 | 3.50min | |||
Mohs hardness | --- | 9.00min | |||
Principal Crystalline Phase | --- | α-Al2O3 | |||
Refractory grade | Grain | mm | 0-50,0-1, 1-3, 3-5,5-8 | ||
Fines | mesh | -200, 325 | |||
GritF grade and P grade | FEPA | 16, 24, 46, 100,180,220 |