99.995% Aluminum Oxide Powder/Ball For Sapphire Cr

Formula : Al2O3 Purity:Al2O3≥99.995% The melting point: 2050C Physical Form:White powder or white ball Spec:4N5G-40B,4N5A-G3 As raw materialfor sapphire crystal, 99.995% alumina gamma powder(D50: 40micron around) and 99.995% alumina alpha granular(ball,diameter:0.5-5.0mm) are available by different growthmethods.the powder has good fluidity,and their quality is very steady,now we have many customers who are using these materials in the world. Sepcification: 4N5G-40B Gamma Powder: Item Purity (%)≥Al2O3Surface area(m2/g)Size average (μm )D50Loose density (g/cm3)Impurity (ppm) ≤ γ-Al2O3NaZrClCaCuMgFeSiKTiCrNiZnSpecification(standard)99.99570-12035-450.6-0.733133141021333 4N5A-G3 Alpha Granular: ItemPurity (%)≥Al2O3Surface area(m2/g)Size average (mm )Loose density (g/cm3)Impurity (ppm) ≤ α-Al2O3NaZrClCaCuMgFeSiKTiCrNiZnSpecification(standard)99.995≤10.5-5.02.3-2.52113112711111 If you are interested in these materials,pleaselet us know your some requests and we willfeed back you more informations.