China Shangao Electronic And Trade Co., ltd is a leading and large trade company in China specialized in manufacturing, sourcing and worldwide distribution of 99.9% Alumina.

 

Our 99.9% alumina mainly used for marble polishing powder, granite polishing powder, electronic ceramic substrate alumina,. We supply activated alumina powder, activated alumina balls, Activated alumina trip and other alumina products.

99.9% Alumina' s specification :

SIO2:0.04
Fe2O3:0.03
Na2O3:0.1
MgO: 0.06
CaO: 0.04

Sintered density: Above 3.9