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. And it is also a good substitution for Chromite sand and Zircon sand because of its lower price. At the present, Ceramic sand is acknowledged worldwide as the newest and the best ideal sand for the foundries and has very wide feasibility of applications for future development.
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 % |
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