Ceramic Lagging Sheet quotation Product description Compared with the traditional rubber encapsulation, the friction coefficient of the Roller ceramic rubber sheet plate of the drum is 3 times that of the traditional rubber encapsulation. Alumina ceramic technical parameters ItemsSpecifications Content of alumina鈮?2% Density鈮?.6 g/cm3 Rockwell A hardness鈮?2HRA Impact strength鈮?200 MPA Fracture...