New Ceramic Sand Replace Foundry Chromite Sand for Casting is a high heat resistance, low thermal expansion, and spherical artificial casting sand obtained by spray treatment of a high oxidizing raw material in a molten state to recrystallize.
Characterics of New Ceramic Sand Replace Foundry Chromite Sand for Casting:
1.Thermal expansion coefficient is small
2.Sand for the spherical, good liquidity, easy to ramming, and good ventilation
3.Smooth surface, dense structure, making the adhesive can be evenly covered
4.Reuse regeneration performance, cost-effective
5.High refractoriness, easy to collapse
6.Thermal conductivity, good stability, no cracking
Technical Index:
Grain shape | Round ball shape |
Color | Brown- black |
Al2O3 | ≥ 75% |
SiO2 | 8-12% |
Fe2O3 | ≤ 5% |
TiO2 | ≤ 3.5% |
Refractoriness | ≤ 1700 degree |
Angle factor | ≤ 1.1 |
Thermal expansion | 0.13% (10 min at 1000 degree |
PH | 6.5-7.5 |
Packing density | 1.95-2.05g/cm 3 |
Size | AFS20, 25, 30, 35, 40, 50, 60, 75, 80, 100, 125, 140, or 0.2~0.6mm, 0.3~0.7mm, 0.4~0.9mm, 0.9~1.25mm, 1~2mm, 200mesh, 325mesh etc. |
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