Description
Refractory material with chromite sand AFS30-35 35-40 40-45
Chrome ore sand ,Its main chemical composition is Cr2O3, This kind of sand heating volume is stable , High thermal conductivity , sand molten metal contact , not only has a good alkali slag resistance , not with iron oxide and other chemical reaction , and itself has the characteristics of solid phase sintering , can well prevent the penetration of molten metal , avoid sand defects , suitable for all kinds of stainless steel , Alloy steel and carbon steel gradually modeling core sand and paint .
| Component | Cr2O3 | SiO2 | MgO | Fe2O3 | Al2O3 | P | S | Density |
| Indicators | 46%Min | 1% Max | 10% Max | 26.5% Max | 15.5%Max | 0.003% Max | 0.003% Max | 2.5-3g/cm³ |
Chromite sand is used for its high thermal resistance, fast chilling capacity and resistance to liquid metal penetration.
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