Product Name: High Thermal Conductivity 99% Al2O3 / Aluminium Oxide Ceramic Thermal Pad Model NO.: TC-025 Brand: Jrft Color: White Certification: UL, ISO9001, SGS Classification: Organic Insulating Material Maximum Voltage: 20KV~100KV Thermal Rating: 250 250 Material: Ceramic Chemistry: Organic Insulation Type: Insulation Sheet Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical base, Shell, Motor, Insulating Varnish, Switch baseplate Breakdown Voltage Strength: 15kv/mm Specific Gravity: >=3.6g/cm3 Component Content: >=96% Hardness: >=86hra Sinterling Temp: 1650-1680c Name: Alumina Ceramic Gasket Trademark: JRFT Transport Package: Carton, OPP Bag Specification: 110x110x110mm Origin: Shen Zhen HS Code: 193915 Product Description TO-247 high temperature resistance 96% Al2O3 alumina ceramic thermal insulation gasket for electronic deviceAlumina CeramicAlumina ceramic Al2O3 as main raw material, in the rare metal oxide as flux, special ceramic sheetsAfter one thousand degrees high temperature roasting into.Alumina ceramicsubstrateAl2O3 content ishigh, the structure is relatively compact, with special properties, it is known as the special ceramics.The Al2O3 ceramic materials are densely arranged six party structure for oxygen ion and aluminumIon, filled in 2/3 with eight sides in the gap, which is the same with natural corundum stable alphaAl2O3 structure, so the ceramics with high melting point, high hardness, good wear -resistance.Feature:1.Light weight2.High hardness3.Wide scope of application4.Extremely abrasive resistance performancePerformancePhysical properties:High insulation resistance, breakdown, high temperature resistance, abrasionResistance, high strength (three meters altitude fall not broken)Fire rating:USA military standard MIL-F-51058 (the highest level)Typical application:Strong current, voltage, strong high temperature parts, IC MOS, IGBT power tube heatPipe insulationTest ItemUnitNumerical ValueProduct Material----AluminaZirconiaComponent Content%>=99%>=96%90%Sintering TempºC1780~18001650~16801550~1600Specific GravityG/cm^3>=3.6>=3.8>=6.0Breakdown Voltage StrengthKV/mm151515Bibulous Rate%<0.01<0.01<0.01Anti PressureMpa370024005000HardnessHra>=88>=82>=85Volume ResistanceCm>1012>1012>1012Bending ResistanceMpa400320700Thermal Expansion Coefficient----6.8~86.2~8.56.9~10Dielectric ConstantMHz9.88.510RoughnessRa<=0.8<=0.8<=0.8Mirror Polished----<=0.05<=0.1<=0.05Thermal ConductivityW/m-k252025Temprature ResistanceºC170016001800Certification:Natural organic matter, the European Union, exempt products without certificationMaterialsThermal conductivity:High temperature:1600 degrees below the ideal heat insulating material ofHigh voltage and high frequency equipmentApplicationAlumina ceramic is mainly used in large power equipment, IC MOS tube, IGBT chip heat conductingInsulation, high frequency power supply, communication, mechanical equipment, strong current, highVoltage, high temperature and other thermal heat insulation parts need products.Physical properties:High thermal conductivity, high voltage insulation resistance, high temperature resistant,abrasion resistant, high strengthRegular sizeTO-220, 1mm*13mm*19mmTO -3P, 1mm*20mm*25mmTO-264, 1mm*22mm*28mmTO-247, 0.635mm*17mm*22mm