high purity alumina

Formula : Al2O3
Melting point: 2050℃
99.995% series high purity aluminum oxide,which mainly applied in the LED 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’s request.


99.99% series high purity aluminum oxide which 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’s request.