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Product Name: High-purity Alumina Ceramic Lining Pipes Model NO.: ZALY raw material origin: Australia alumina content: 90%-99% shape: open both end, closed one end Classification: Alumina Grade Standard: Industrial Grade Quality: First Class Trademark: ZALY Transport Package: Standard Export Wooden Box Origin: Lianyungang, Jiangsu, China Product Description High Purity Alumina Ceramic Pipe1.High voltage2.High temperature resistant3.Corrosion resistant4.Good strength5.Open both end or closed one endAlumina (Al2O3) is a hard, chemically resistant material and has the ability to withstand high temperatures in aggressive environments.It also possesses a high meltingpoint, strong hardness, making it a good material to withstand high temperatureand chemical corrosion .We offers Alumina with various purity levels, including 99.8%and 99.0%. The level of purity, grain size, and density required is dependent onthe application and the component configuration.Features:1 High dielectric properties.2 Extreme wear and abrasion resistance.3 Chemical corrosion resistance under high temperature.4 Extreme high temperature stability under reducing, inertand high vacuum condition under high temperature up to 1800C.5 Gas tight for many applications to provide protective atmospheresor high vacuum at high temperature to eliminate contamination or impurity.Table1:Technical Parameter Of Alumina CeramicsItemTest conditionUnit&Symbol95%AluminaCeramics99%AluminaCeramics99.7%AluminaCeramicsThe MainChemical IngredientAl2O3Al2O3Al2O3Bulk Densityg/cm³>3.63.893.96Maximum Use TemperatureºC145016001650Water Absorption%000ROHS Hardness≥85≥89≥89Flexural Strength20 ºCMpa(psi*10³)358(52)550550Compressive Strength20ºCMpa(psi*10³)2068(300)2600(377)2600(377)Fracture ToughnessK(lc)Mpa m 1/24-55.66Coefficient Of Thermal Expansion25-1000 ºC1*10 -6 /ºC7.67.98.2Coefficient Of Thermal Conductivity20 ºCW/mk1630.030.4Thermal Shock ResistanceΔTcºC250200200Dielectricity Constant1MHz.25 ºC99.79.7Dielectricity Strengthac-kV/mm(ac V/mil)8.3(210)8.7(220)8.7(220)Volumn Resistivity100 ºCohm-cm>10 13>10 14>10 14
