High purity alumina by virtue of its chemical stability, high melting point, high mechanical strength,Smart Card & Card Reader high hardness, good thermal conductivity, high insulation and other properties.They're manufactured by the improved Bayer process.Application:
Sapphire, ruby,Color Card & Color Comparator engineering ceramics,ceramic substrate, spray material,special glass,semiconductor devices,Capacitor insulators, electrical power devices and more.
ItemGradePurity
(%)≥
Al2O3Surface
area
(m2/g)SizeCable Parts average (μm ) D50Loose density (g/cm3)Impurity (ppm) ≤α-Al2O3
NaPower Transmission Parts FeSiKTiCaCuMgspecification4N5A-40B99.995≤5400.73011711111