Description

Specifications and varieties of high Aluminum ceramic balls Diameter 3 6 8 *0 *3 *6 *0 *5 *0 *8 *0 *5 *5 
Diameter permit difference ±1.0 ±1.5 ±2.0 ±3.0 

Physical feature of high Aluminum ceramic balls Item Unit Index Chemical compositionIndex 
Specific gravity G/cm3 2.**3.5 
Specific heat Cal/goc 0.***0.2 
Compressive Kg/cm2 ***0 
Hardness Mohs grade >7 
Wear ability rate % <0.*5 
Water aborption rate % >1 

Chemical compositions of the high aluminium porcelain ball composition Index 
Al2O3 ****5% 
SiO2 ***7% 
MgO 0.5% 
Fe2O 0.3% 
CaO 0.2% 
Na2O 0.1% 
Other Trace 

Type Variety 1 2 3 4 5 6 7 8 9 *0 *1 *2 *3 *4 *5 *6 *7 
Contents of Al2O3 <*5 *5 *0 *5 *0 *5 *0 *5 *0 *5 *0 *5 *0 *5 *0 *5 >*5 

Chemical composition of High Aluminum Ceramics Name Al2O3 SiO2 TiO2 Fe2O3 R2O3 MgO Cr2O Others 
Content ****9 ****2 1.6 <0.5 0.8 0.2 0.1 0.1 
Remarks The contents of Al2O3 and SiO2 are decided as per design requirements