The  details of Zinc sulfate Power)as follows: 

Zinc sulfate Heptahydrate 21% . 1).Packing:25 kg ppbags 2).Pb<10 ppm,As<5ppm 3).Classification:sulphate

Zinc sulfate Heptahydrate 21%

1.lower heavy metal level

2.Packing :25kg pp bag

3.As<5ppm,Cd<10ppm,Pb<10ppm

4.Classification:sulphate

Zinc sulfate Heptahydrate