Manufactured from high quality raw materials in electric are furnace its has low reversible thermal brick etc.
Main chemical&physical data
Al2O3 ：40--46%
SiO2 ：15—20%
Zro2 : >35%
bulk density: ≥3.6g/cm
size:3-6mesh / 8-10mesh / 10-36mesh / -40mesh / -200mesh / -325mesh
