Basic Info.

Product Description

Basic information: cas #:1344-28-1 molecular formula: al2o3 mw: 101.96 melting point: 2050 ? boiling point: 2980 ? specification: model vk-l100g vk-l100k crystal type a a appearance white loose powder white platelet shape average particle size(um) 1-3 --------- bet(m2/g) 6-12 --------- loose density(g/cm3) 0.4-0.6 --------- density of platelet shape (g/cm3) -------- 3.3~3.8 content of al2o3(%) 99.999 99.999 si (ppm) 2 2 na (ppm) 1 1 fe (ppm) 1 1 ca (ppm) 1 1 ti (ppm) <1 <1 zr (ppm) <1 <1 mg (ppm) 1 1 application: 1,single crystal of sapphire 2,laser crystal(yag)and artificial gem 3,colourful gem 4,white gem,red gem