Magnesium Sulfate

Certificate: ISO: 9001: 2000
Magnesium sulfate heptahydrate (agriculture/industry/feed/medicine grade)
Appearance: White small granular
Main content: 98%min~99.9% min
MgSO4 48.59% min
MgO 16.13% min
Mg 9.68% min
PH(5W/V%Sol) 4-6.5
Ferron(Fe) 0.0015% max
Chlorid(Cl) 0.005% max
Heavy metal (Pb) 0.001 %max
Arsenic(As) 0.0002% max
Insoluble 0.001%max
Size (mm) 0.1-1