Chemical Specifications 
Al2O399.6%
Na2O0.35%
SiO20.33%
Fe2O30.02%
TiO2less than 1%
Physical Specifications 
Hardness, Mohs9.
Hardness, Knoop2100
pH7-8
Specific Gravity3.77 gr/cc
Appearancewhite powder
Odornone
Bulk Density1.5 – 1.8 gr/cc
Particle Size 
Micron% passing
7597%
5575%
4450%
3625%
256%

 

Packing: 50 lbs boxes or 380 lbs drums

Origin: USA