Chemical Analysis Typical  
SiO260.8%60.0% min
MgO31.4%30.0% min
A12030.88%1.5% max
Fe2030.83%1.2% max
CaO0.55%1.0% max
Na200.08% 
Ti020.04% 
K200.01% 
Loss of ignition5.63%6.0% max 950O C
Trace Analysis  
Pb5.0 ppm 
Cd0.5 ppm 
As0.5 ppm 
Physical Analysis  
Whiteness93-9491 min
Moisture-0.25 max
AsbestiformsNone detected 
Particle Size  
325 mesh98% passing 
20 micron64% 
10 micron30% 
5 micron12% 
1 micron1% 
Tapped density0.95/1.05 gr/cc 
Oil absorption35-37 

Origin: China

Packing: 50 Lb net paper bags 40 bags per pallet