Features: 1) Material: 95 aluminum oxide ceramics 2) Application: used in all kinds of chemical fiber weaving machines 3) High hardness, good finish, wearability and smoothness 4) A variety of specifications available physical analysis sheet for 95%Al2O3Densityg/cm33.6Substance CharacteristicWater AbsorptionOSinter Temperature1710Physical CharacteristicHardnessHV≥12Bending StrengthMpa≥310compressive strengthKgf/cm225000Elastic ModulusGPa300fracture toughnessMap.m3/23 to 4Max Using Temperature1450Thermal CharacteristicCoefficient of Thermal Expansion1X 10-6/°C8heat-resistant TemperatureT()220Thermal ConductivityW/m.k(25-300)2420>1012Volume Resistance100>.cm1012-1013Electric Characteristic300>1010Dielectric StrengthKV/mm18Dielectric Constant100MHz(E)9.5