CHEMICAL ANALYSIS:  
SiO261.5% 
MgO31.0% 
CaO0.9%1.0% max
Al2O30.8%1.0% max
Fe2O30.2%0.4% max
LOI5.0% 
TRACE ANALYSIS  
PbLess than 1 ppm 
AsLess than 0.5 ppm 
SulphurNone 
MICROBIOLOGICAL  
TPCLess than 100 
Gm-Absent per CTFA standard 
PHYSICAL  
Whiteness Hunter L90-94 
Thru 325 mesh99.9%99 min
Moisture0.1%0.25 max
Median particle size7-10 micron 
Density0.98 gr/cc 
Amphibole & TremoliteNone by J-4 method 
Free silicaTrace or none 
Acid SolublesLess 1.0%2.0% max
Water solubleLess 0.2%0.2% max

PACKING: 50 Lb net paper bags 40 bags per pallet

ORIGIN: USA Ground, Chinese Ore.