Ceramic Foundry sand is a kind of spherical refractory particles made of high-quality bauxite as raw material, which is made by electro-fusion, granulation and sieving.
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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Henan sicheng Abrasives Tech Co.,ltd. was established in 2009. It covers the area of 10 years. With updated new equipments, our factory can produce ceramic foundry sand 150,000 tons per year. It is one of the high grade abrasive grains production base in China.
We have our own individual laboratory, the testing method for particle size is laser measuring method. From raw material choosing and purchasing, production processes, to market & sales, we all have very high standards. which makes our products very popular among Japan, Korea, Southeast Asia, Middle east and European countries.
