AdvancedceramicspartswithhighpurityAl2O3aselectricinsulators,wearableelements.AluminaAl2O3purity:90%,95%,99%,99.5%,99.7%Al2O3Endurehightemperatureof1500degreesCelsiusVariousshapes:plungers,rings,plates,bars,discsandpist***Colors:white,black,pinkandbrownDensity:from3.5to3.95g/cm3Highstrength:bendingstrengthmorethan300MPaHighhardness:HV0.5morethan1800Lowporosity:0Materialsε(at1&plu***n;0.5MHz)tgδ(at1&plu***n;0.2MHz,×10-4)Specificvolumeresistance(@100&plu***n;5ºC,Ω·cm)Staticbendingstrength(MPa)Hardness(HRc)Modulusofelasticity(GPa)Density(g/cm3)Absorption(%)96%Al2O3＜8.0＜1.0≥1014≥320≥8750≥3.700Al-99(≥99%Al2O3)＜9.5＜0.3≥1014≥350≥90200≥3.850)