... 2)Light Weight Mullite Brick 3)High density 4)High wear-resistance High alumina thermal insulation brick1).Material :alumina2 ... industry, medicine, coating, fireproofing, mine, etc5.Characteristics:high strength, high tenacity, high density, low wear, fine neat, abrasion resistance, and ... various mineral powder. 6).Production superiority: a) having high purity; b) wear resistance is one fourth of that ...