The Sub-white Fused Alumina is on the basis of high quality brown fused alumina production, due to its chemical composition and physical properties are close to white corundum, called the Sub-white Fused Alumina.The product has white corundum hardness, the toughness of the brown fused alumina concurrently at the same time, is the ideal high-grade refractory material and grinding material.
| Item | （%）Chemical component | Physical properties of |
| AL2O3 | >98 | |
| FE2O3 | <0.5 | |
| TIO2 | <1.8 | |
| CAO | <0.4 | |
| 真比重 True specific gravity | >3.97 | |
| 颜色Colour | 灰白色Off-white | |
| 耐火DCRefractoriness | >1850 | |
| 体密g/CM3Bulk density | >3.90 | |
| 显气孔率%Apparent porosity | <4 | |
