Description

Mainly used for man-made fibers, electrolysis, electroplating, inorganic pigments, mineral processing, chemical fertilizers, etc., but also as a wood preservative,the sleepers soaked by the zinc sulfate extended  the time of use

The following are the specifications of Zinc Sulfate Heptahydrate for your reference:
Specification: Zinc Sulfate Heptahydrate (Excellence in goods)ZnSO4·7H2o ≥**********************************************8
Zn% ≥********************************************************2.*1
Cl% ≤*******************************************************0.**0
Pb% ≤*******************************************************0.**1
Fe% ≤*******************************************************0.**3
Mn% ≤******************************************************0.**5
Cd% ≤*******************************************************0.**1
Insolubl materi%≤*****************************************0.*2

Specification: Zinc Sulfate Heptahydrate (First-class goods)
ZnSO4·7H2o ≥**********************************************6
Zn% ≥********************************************************2.*6
Cl% ≤*******************************************************0.*0
Pb% ≤*******************************************************0.**0
Fe% ≤*******************************************************0.**0
Mn% ≤******************************************************0.*0
Cd% ≤*******************************************************0.**0
Insolubl materi%≤*****************************************0.**0

Specification: Zinc Sulfate Heptahydrate (Conforming)
ZnSO4·7H2o ≥**********************************************2
Zn% ≥********************************************************0.*2
Pb% ≤*******************************************************0.**0
Fe% ≤*******************************************************0.**0
Insolubl materi%≤*****************************************0.1