High Purity Aluminum Oxide 99.99-99.995%

Formula : Al2O3
The melting point: 2050℃
Specific gravity : 2.5-3.2g/cm3
99.995% series high purity aluminum oxide
　Mainly applied in the synthetic sapphire crystal, PDP luminous powder raw material as 　well as some high performance material etc. As raw material of sapphire crystal, the 　powder can be processed to become granular(mm grade) or agglomerate by the customer 　requested before supply.
99.99% series high purity aluminum oxide
　Mainly used in new types of light source material, high-tension sodium lamp pipe material, 　glowing powder, fluorescent power of 3 primary colors, top quality abrasive materials, 　spraying and coating, catalyst for chemical industry, mading carbuncle and sapphire, 　special ceramics, special fireproof material and high-grade refractory materials, etc. the 　powder can be processed to become granular(mm grade) or agglomerate by the customer 　requested before supply.