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China, Chinese 60*50*605mm Large Diameter Insulator 99% Al2O3 Alumina Corundum Pipe Ceramic Tube for Furnace1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Industrial Ceramic ProductsCeramic InsulatorTechnical Advanced Alumina Ceramic for FurnaceThermocouple Protection Pipe
Shanghai Yunnuo Industrial Co., Ltd.
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Product Description Product DescriptionAlumina ceramic Tube Alumina ceramic is the most mature of the engineering ceramics, offering excellent electrical insulation properties together with high hardness and good wear resistance,but relatively low strength and fracture toughness.Alumina ceramics are generally white but may also be pink or ivory.The color is derived from either the sintering additives or impurities in the raw materials.Alumina Ceramic Specifications1) High purity: Al203> 99%, Good chemical resistance2) Good temperature resistance: Long-term use in 1600°C, short-term in 1800°C3), Good resistance to rapid cooling and rapid heating, not easy to burst.4) Slip casting and high density5) Various kinds of Shapes and Sizes.Alumina Tube Applications Used for making parts for CVD, ion implants, photolithography, and semiconductor parts.e In traditional industries, alumina ceramics are ideal for products such as injector tubes, gasnozzles, and insulators. Used as a material for industrial furnaces due to its ability to maintain its hardness at high tem-peratures. Used as a protector for high-temperature thermal couples. Used as a material for the chemical industry due to its high corrosion resistance. Material data AL2O3%6075808592959999.7Bulk Density (g/cm3)3.03.13.33.43.63.73.813.91Flexural strength (MPa)205280215.7230312304340370Linear expansion coefficient (×10-6/C)(25-800C)7.17.67.67.67.57.37.67.6Thermal conductivity [w/(m.R)]1617171718203435Dielectric strength (KV/mm)1010101010101010Volume resistivity (Ω.cm) 20C>1014>1014>10 14>1014>1014>1014>1014>1014300C>1013>1013>10 13>1013>1013>1012>1010>1010Max C13501100130013501500160017001800Moh's hardness7.57.57.57.58.58.899Refractoriness18001700180018501920200020302040
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