High Purity Alumina Powder

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ZiBo Xinmeiyu Alumina Pty ***** a professional alumina manufacturer, and the high purity Al2O3 we produced through? hydrated alumina system is the first in China and the advanced in the world. The purity of the Al2O3 is over than *9.*9%, which are widely used in High pressure sodium lamp, long persistence phosphor, abradant, catalyst support, high strength alumina ceramics, single crystal material, far infrared material , ruby and sapphire ect. Specification: α-Al2O3 Crystal: α Purity(%): ≥ *9.*9% Center position particle size d*0(μm): 0.**0.8 Relative surface product(m2/g): ≥*0 The pine installs the density( g/m3) : 0.***0.*2 Foreign Inclusion as the following:(ppm)≦ K Na Ca Mg Fe Si Ti Cu *0 9 4 2 5 *0 4 3