China Ceramic Industrial Parts for Furnace

Ceramic Alumina Parts
Features of the ceramics parts:
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) High strength
6) Used in all electric products, electric heating products and wear resistant machinery parts.
7) OEM, ODM and OBM are welcomed

Alumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products. We can make the part by hot injection pressing, dry pressing, 200T isostatic pressing and extrusion productive technology etc.Alumina Ceramic Part Application:Furnace process tubesSteel tube linersCoal handling wear resistance padsThermocouple protection tubesSandblasting nozzlesWire drawing diesBushings and capsCruciblesTool bitsSaggersKiln furnitureMechanical sealsFuel cell partsRollers for hearth furnacesWelding nozzlesLaser partsGas ignitersElectric insulatorCeramic guidersCeramic screwdriversZirconia oxygen SensorsMedical and surgical components
Main performance index about alumina ceramic parts :

ProjectTest the conditionUnit99 porcelain95 porcelainTalc porcelainBackbone 99%AL2O395%AL2O3MgO.SiO2Physical propertyDensity of volumeNormal atmospheric temperatureg/cm33.83.62.8AirtightNormal atmospheric temperature ..PassPass-Absorbing water rateNormal atmospheric temperature%000Temperature that frit °C180016501350Mechanical performanceRockwell hardnessNormal atmospheric temperatureHRA888676Resist the intensity of turning backNormal atmospheric temperatureMpa350320150Compression strengthNormal atmospheric temperatureMpa13001200900Hot performanceUse temperature at most °C170016001200Heat resistant shaking20O°C-1100O°C10NumPassPassPassHot coefficient of expansion20O°C-80O°Cx10-6mm/°C6.5-8.56.5-8.05.0-6.2Heat-conduction rate25°CW/m.k29252.9300°CW/m.k18132Dielectric constantThe medium lossing1MHz2O°Cx10-4≤2.5≤4≤8.0The angle tangent is worth1MHz8O°Cx10-4≤3.5≤4.2-Dielectric strengthNormal atmospheric temperatureKV/mm151620Dielectric constant1MHz2O°C 9-10.59-10≤7.5Resistivity of volume2O°CΩ.cm>1012>1012>101310O°CΩ.cm1012-10131012-10131010-101130O°CΩ.cm>10123.1x1095x108