The SiSiC sleeves is high hardness, high wear resistance, Qnti-impact especially resistantto high temperature, acid and alkali corrosion, the actual service life is 6 times more thanthe polyurethane and Al,O,.ceramics The SISIC ceramic sleeves are especially suitable for the mineral processing industry, and it has good performance in the corace particlesclassification, concentration, dehydration and other operations. lt is also widely used in thepetroleum mining industry , water conservancy industry and coal washing industry.