Chemical Properties 
Loss on Ignition20.3%
CaSO4 Assay99.0% guarantee
Silica & Insolubles.45%
Oxides.35%
Iron100. ppm max.
Heavy Metals10. ppm max.
PH in 10% slurry7.3
Physical Properties 
Brightness84.4
Specific Density2.32
Bulking.0518 gal/lb
Oil Absorption23.5 cc/100 gr
Through 325 mesh93%
Average Particle Size14. micron
Bulk Density 
Loose46.0 lb/ft3
Packed56.2 lb/ft3

 

Packing: 100 lb or 50 lb multiwall paper bags

Origin: USA