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China, Chinese High Temperature Insulating Refractory Ceramics Ring / Spacer / Gakset / Washer1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Industrial Ceramic ProductsCeramic RingRefractory Ceramics PartCustom Refractory Ceramics
Shanghai Gongtao Ceramics Co., Ltd.
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Product Description Characteristic Table of Ceramic RingName99 Porcelain95 PorcelainZirconiaTalc PorcelainMain ComponentsAL203>99%AL203>95%ZrO2>94%MgO SiO2Physical PropertyDensity3.853.65.92.8Water Absorption Rate%0000Sintering Temperature oC1700167016001350Material CharacteristicsHardness HV170016001400800Bending Strength 4PT>3500>2900>11000900Compressive Strength KGF/CM23000025000250004000Thermodynamic PropertyMaximum Operating Temperature oC1600145013001100Thermal Expansion Coefficient10-6/oC0-1000oC87.8106Heat Resistant Impact Force T(oC)200220350200Thermal Conductivity W/M.K312232.5Electrical CharacteristicsVolume Resistivity Ω.CM>1012>1012>1012>1012Insulation Breaking Strength KT/M18161510Dielectric Constant 1MHZ(E)9.2-10.59.0-1012.55.8 Product Characteristics of Ceramic Ring1. High mechanical strength. 2. High resistivity and good electrical insulation performance.3. High hardness. 4. High melting point and corrosion resistance.
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