Magnesium sulfate monohydrate-fertilizer grade granular
Appearance: White powder/granular
Mgso4 60%-82%
Mgo 17%-27%
Ph(5w/v%sol) 5-6.5
Ferron(Fe) 0.0015% max
Chlorid(Cl) 0.015% max
Heavy metal (Pb) 0.001 %max
Arsenic(As) 0.0002% max
Water insoluble 5%-22%
Size (mm) 2-4mm