chemistry /content

usage:refractory material with the size of 1-3mm,3-5mm,5-8mm,8-12mm

usage:fine powder material with the size of 180 mesh/240 mesh/320mesh

Al2O3

≥99.0%

   ≥98.5

Fe2O3

 ≤0.5%

   ≤0.3%

SiO2

 ≤0.4%

   ≤0.5%

CaO

  ≤0.003%

   ≤0.001%

Al2O3

≥99%

 Protodikonov hardness 

  2000-2200Kg/mm2

Fe2O3

≤0.4%

 Moh hardness

 9

Na2O

≤0.22%

 stacking density

 1.75-1.95g/cm3  

SiO2

≤0.4%

 true density

 3.9-4.9g/cm3