Operation | Instruction |
Degreasing | All incoming raw material is degreased before pickling. |
Pickling | All material to be inspected after pickling to ensure proper cleaning. Any unacceptable material found is Re-pickled.Through rinsing is done to ensure that there are no traces of acid left on the material. |
Pre-heating | All traces of moisture to be removed from material before galvanizing, to prevent overheating resulting in the burning of flux coated. |
Immersion Zinc | Material is immersed into zinc bath slowly and at an angle to avoid splashing and similarly withdrawn zinc bath temperature is constantly monitored on electronic temperature indicator. |
Quenching | Water in Quenching bath is constantly recycled in order to maintain temperature. |
Dichromating | Supervisor ensure that 100% material is given Dichromate treatment |
General | Concentration of contents of all baths to be checked before commencement of work in each shift and corrective measures taken, if required. Records are maintained for review. |
Prefluxing | All material to be dipped for prefluxing after acid wash to get ready for pre heating. |