Is in our products 
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 Chemical composition: 
 (Al2O3: 95%, SiO2:%,, Fe2O3: tr, TiO2: tr, Zro2::%, Nao:% share of 3 .. 54, 9 higher than that of corundum Mohs hardness and toughness than brown fused alumina, abrasive easily broken) 

 Chemical composition 
 Zro2:: 33%, Al2O3: 52%, SiO2:%, Fe2O3:%, TiO2:%,, Na2o:% (, Mohs hardness 9) 
 Your products can be used as raw materials. Crushed materials were dried field after repackaging! Size 0mm ~ 3mm, 3mm ~ 5mm, 5mm ~ 10mm. If your company needs, please call just purchased!