Chemical Properties 
Loss on ignition0.33%
CaSO4 assay 99.0 % guaranteed 
Oxides 0.31%
Silica & Insolubles0.13%
Iron100. ppm max
Heavy Metals10. ppm max
pH in 10% slurry10.4
Physical Properties 
Brightness93.1
Specific Gravity2.96
Bulk Density Loose45.5 lb/ft3
Bulk Density Packed52.2 lb/ft3
Bulking .0406 gal/lb
Oil Absorption26.5 cc/100 gr
Through 325 mesh97.%
Average Particle Size7. micron

 

 

Packing: 100 lb or 50 lb multiwall paper bags

Origin: USA