Alumina Ceramic Lining Cylinder Low wearloss High density High quality of alumina ceramic lining cylinder can be made according to buyer's requirements. Items9295Al2O3(%)9295Bulk density(g/cm3)>3.60>3.60Water absorption(%)<0.01<0.01Self Wear loss(%)( 24h)≤0.015≤0.010Hardness(M0hs)99Color White Alumina Ceramic Lining Cylinder