High alumina bricks (high alumina bricks use high alumina bauxite as the main raw material, mixed with soft raw clay as a binding agent, and are fired at a high temperature of about 1500°C after shaping. The alumina content is high and the fire resistance is better. Refractoriness High, up to 1750~1790°C
The load softening temperature is generally above 1420-1550°C.
It has strong slag resistance and resists the erosion of acidic slag and scaling slag.
The texture is hard and has high compressive strength. It is very resistant to corrosion by acidic or alkaline slag and molten metal, as well as oxidation and reduction reactions.