Specification:
Na2SO4: 99%Min
Water Insoluble Matter: 0.05%Max
Mg: 0.15%Max
Cl: 0.35%Max
Fe: 0.001%Max
Moisture: 0.15%Max
Whiteness: 85 Max
PH value: 6-8 or 9-12
Packing: 50KG/BAG