Purchase Qty. Reference FOB Price
18-99 Tons US$120.00
100-9,999 Tons US$100.00
10,000+ Tons US$80.00
Product Description
Detailed Photos Magnesium sulphate heptahydrate factory price Appearance White Crystal Main Content≥% 98 Mg≥% 9.7 S≥% 12.5 PH value 4.5-6.5 Chlorid(Cl)≤ppm 1000 Iron(Fe) ≤ppm 15 Heavy metal(Pb) ≤ppm 3 Arsenide(As) ≤ppm 2 Water insoluble≤ppm 200 ...