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Product Introduction of White corundum powder 45um castable refractory
White fused alumina 325 mesh is a high Al2O3 powder. It is mostly used for refractory applications and thermally conductive applications. WFA fine powder is of high thermal resistance, high strength, high density, and high anti-corrosion ability.
Typical physical properties of White corundum powder 45um castable refractory
|
Hardness: |
Mohs:9.0 |
|
Maximum service temperature: |
1900 Degree |
|
Melting Point: |
2250 Degree |
|
Specific Gravity: |
3.95g/cm3 |
|
Volume density |
3.6g/cm3 |
|
Bulk density(LPD): |
1.55-1.95 g/cm3 |
|
Color: |
White |
|
Particle shape: |
Angular |
Typical chemical composition of White corundum powder 45um castable refractory
|
AL2O3 |
99.28% |
|
SiO2 |
0.14% |
|
NA2O |
0.27% |
|
Fe2O3 |
0.05% |
|
CaO |
0.03% |
Product features of White corundum powder 45um castable refractory
1. High refractoriness. It can resistant to high temperature up to 1900°C.
2. High strength with mohs hardness of 9.0.
3. High density.
4. Resistant to most acid and alkali.
5. Chemical stability.
Applications of White corundum powder 45um castable refractory
1. Refractory castable, Kiln construction.
2. Foundry coating paint for casting for shell molding.
3. Foundry coating for Precision casting and 3D printing.
4. Thermal conductive glues or additives.
