F.M.:    Na₂SO₄    

Spec.:     
Na₂SO₄                                                    99.0% min.
Matter insoluble in water                       0.05% max.
Mg                                                              0.15% max.
Cl                                                                0.35% max.
Fe                                                             0.002% max.
Moisture                                                    0.20% max.
Whiteness                                                       82 min.
Appreance:                                              white powder 

Packing:     25/50kgs per bag