безводным сульфатом натрия

The sodium sulphate we offer is strictly in accordence with the national standard GB/T6009-2003. Na2SO4 % ≥ 99.0 Water insoluble matter %≤0.05 Ca&Mg (Mg) % ≤0.15 Cl %≤0.35 Fe % ≤0.002 Water % ≤0.20 Whiteness (R457)%≥85 It is highly regarded by international clients because of high purity and good whiteness. It is widely used in industries such as synthetic detergents, vinylon, dye and dyeing, glass, pharmaceuticals, leather and rubber.