Zirconia ceramic pin& zirconia pin -Insulation and wear-resisting -High density -High ... 7. Good Wear resistance 8. High fracture toughness Zirconia ceramic are used in shaft , plunger, sealing structure, ... oil drilling equipment, Insulation parts in electrical equipment , ceramic knife, ceramic hair clipper spare parts, with high density, bending ... *10-3J/(kg*K)0.5 Zirconia ceramic pin& zirconia pin