High Pure 99% Al203 Alumina Ceramic Tube Alumina Tube Aluminum Oxide Ceramic Thermocouple Pipe

High pure 99% Al203 Alumina Ceramic Tube Alumina Tube Aluminum Oxide Ceramic Thermocouple PipeHigh purity ceramic alumina tube parameters:1.Material : High purity alumina oxide 95%-99%2.Application:    Mainly used in thermalcouple temperature, liquid steel continous temperature, various industrial        furnace of alumina ceramic tube.  Especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout,      military project etc industry of alumina ceramic tube.3.Good smooth and high strength4. Diameter from 1mm to 120mm,Length from 100mm to 2000mm,    multi bores tubes can be made. 5. Max working temperature 1800.6. Out surface can be grinded drilling hole to make tight tolerance and right instillation. 7.Large quantity in stock makes fast delivery and competitive prices.8.OEM and ODM are welcomed Main performance index about alumina ceramic tube: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°C×10-6mm/°C6.5-8.56.5-8.05.0-6.2Heat-conduction rate25°CW/m.k29252.9300°CW/m.k18132Dielectric constantThe medium lossing1MHz2O°C×10-4≤2.5≤4≤8.0The angle tangent is worth1MHz8O°C×10-4≤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>10123.1×1095×108 /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1