... service life High fracture toughness High strength hardness densi Zirconia Thermal InsulatorApplications include scissors, knifes, slitters, pump shafts, metalforming ... (heaters) in high temperature induction furnaces.Applications include thermal insulator, tube & rod mill rolls, precision fixtures, stamping & extrusion dies, thread & ... port city to the north of Shanghai Zirconia Thermal Insulator