This kind of brown alumina is fused in a special ace furnace, named tilting furnace. The lump made from this kind of furnace have the very small crystal than Higgins furnace, so the products have the high toughness and good anti-impact ability, it is well used for produce high quality refractory products.
Physical Properties
Color: Brown
True Density:3.90 g/cm3
Mohs Hardness:9.0
The Guaranteed Specification
AL2O3:95% TiO2:3%max Fe2O3:0.30%max
SiO2:1.0%max CaO:0.35%max
Typical Specification (1-3mm) Chemical Al2O3 Fe2O3 TiO2 SiO2 CaO
95.63% 0.09% 2.68% 1.00% 0.19%
Size +3mm -1mm
2.5% 3.7%
Magnetic Material 0.0047%
Specific Density 3.94g/cm3
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