... 2)Light Weight Mullite Brick 3)High density 4)High wear-resistance High alumina thermal insulation brick1).Material :alumina2 ... , medicine, coating, fireproofing, mine, etc5.Characteristics:high strength, high tenacity, high density, low wear, fine neat, abrasion resistance, and ... stone; c) the product has abrasive resistance, high density, high strength, etc. Product performance indexThe 75 seriesThe ...