... milky white 75 ± 2%The Character of Microcrystal Wear Alumina Lining Brciks The Product is of wear-resistance, impact resistance, easy ... service life can be at least five years, and has 15% higer grinding efficiency that a rubber liner. Also it decreases ... , steel factory, electricity factory, Ceramics, mines and other grinding equipment lining Special microcrystal wear resistant ceramic ...