Optional for
articles contaminated by Oil, Grease
or paint.
(Dipping in
sodium hydroxide solution) |
Dipping in Hot
Water (60° C)
to Clean the
Degreasing agent. |
Dipping in
Hydrochloric acid bath at ambient temperature to scour the steel surface and remove any rust or scale |
To remove excess Acid neutralize its effect and obtain a clean surface |
Solution of Zinc Ammonium Chloride to ensure efficient flow of Zinc over the surface to ensure good bonding |
To remove unwanted moisture and increase the steel temperature to required level for compete coating |
Bath of molten Zinc in a temperature range of 456° - 460° C. Product is gradully withdrawn to allow excess Zinc to drain off. |
For Cooling |
To prevent formation of white rust. |
