Zinc phosphate coatings for iron and steel are used as oil based corrosion inhibitors. They are also used as a paint base. Attractive black finishes and a corrosion resistant finish is available when sealed with one of EPi’s E-Tec oil based corrosion inhibitors.
Microcrystalline zinc phosphate by immersion or spray. A calcium modified formulation which produces a fine-grained crystalline coating on iron and steel.
Low-Temp/No-Nickel Heavy Zinc Phosphate
Non-Chromated Zirconium Base Final Rinse for E-Phos Iron and Zinc Phosphate Processes & Aluminum Passivation
For Black Phosphate Finishes on Steel