Product Description
Fused ceramic sand, also called ceramic Foundry Sand, is a kind of man-made spherical shape ceramic particle featured by high refractoriness, a low thermal expansion made by spraying melted from the fused bauxite. It provides a simple and efficient way in the foundry industry to improving the quality of the castings, reducing the production cost and avoiding environmental pollution so it is much better than silica sand.
Grain type | ball, spherical |
Angularity | 1.1 max, similar to ball |
Bulk density | 1.95-2.05 g/cm3 |
Refractoriness | 1790℃ |
Thermal expansion | 0.13% (10 min at 1000 C ) |
Size | Available in all models, it can also be customized |
Content | |
Al2O3 | 70-75% |
SiO2 | 8-20% |
Fe2O3 | ≤ 3% |
TiO2 | ≤ 3.5 % |
CaO | ≤ 0.45 % |
MgO | ≤ 0.35 % |
K2O | ≤ 0.33% |
Na2O | ≤ 0.08 % |
Production
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