Powdered anti-caking 63 microns (Assay: 96.5% min, anti-caking: 3%, 95% min 63 microns )

Purity : 99.7% min Sulfate(SO4) : 0.015%

max Heavy metal : 0.001% max

Arsenic(As) 0.0001% max

Loss on drying : 0.2% max

Residue on ignition :0.1% max