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Purity(ZnSO4.H2O)-------------------------------------------- 98%min

Zn------------------------------------------------------------------ 35.7%min

PH Value(50g/l)-----------------------------------------------4.0min

As-------------------------------------------------------------------0.0005%max

Cl--------------------------------------------------------------------- 0.20%max

Cd-------------------------------------------------------------------------- 0.001%max

Pb----------------------------------------------------------------------- 0.001%max

Fe--------------------------------------------------------------- 0.008%max

Zinc sulphate(granula)

Zn------------------------------------------------------------------------35% min

Pb--------------------------------------------------------------------- 0.001%max

As---------------------------------------------------------------------- 0.0005%max

Cd----------------------------------------------------------------------0.001%max

Size----------------------------------------------------------------2-4mm,1-2mm,0.5-1mm