Item Internal specification NaCl 99% Min Moisture 0.5% Max Insoluble 0.05% Max CaSO4 0.25% Max MgSO4 0.05% Max Na2SO4 0.7% Max Whiteness 84 ~ 88...ssss
Item Requirement Appearance Light yellow powder Total lignosulphonate 50% Min Reduced material 12% Min Insoluble matter in water 1.5% Max Moistu...ssss
Item Requirement Appearance Blackish brown powder Insoluble matter 2.5% Max Moisture 8.5% Max Total Ca and Mg as CaSO4 3.0% Max Total Fe 2.5-3.7...ssss
Appearance Blackish brown powder Insoluble matter in water 2.5% Max Moisture 8.5% Max Total Ca and Mg as CaSO4 3.0% Max Total Cr 3.5-5.0% pH 3.5...ssss