... ,cylinder, ceramic knife, grinding mediastructural ceramics as plungers, pistons, valves, rods, rings,platesY-TZP, Mg-PSZ, ZTA.Endure high temperature of ... as insulators, wearable elements.industry structure ceramics as plungers, pistons, tubes, rods, rings,platesAlumina purity:90%, 95%, 99%, 99.5%, 99.7 ...