Ferrous Sulfate Heptahydrate

● In the water treatment industry, ferrous sulfate heptahydrate can be used directly in water treatment plants to improve the coagulation and removal of elements such as phosphorus.

● Mainly used to make pigment such as Ferric Oxide series products (such as iron oxide red, Iron oxide black, Iron oxide yellow etc. ).

● For iron containing catalyst

● Used as a mordant in dyeing wool, in the manufacture of ink