1. What's the components/items and it's percentage to be considered to prepare the Caustic Solution? 2. Rinsing should be with Fresh Water and what's shall be it's Criteria? (Like TDS/ pH) 3. Chemical used for pickling and it's concentration? 4. Type of flux and it's concentration?
1. What's the components/items and it's percentage to be considered to prepare the Caustic Solution?
2. Rinsing should be with Fresh Water and what's shall be it's Criteria? (Like TDS/ pH)
3. Chemical used for pickling and it's concentration?
4. Type of flux and it's concentration?
5. Concentration of Molten Zinc bath?
6. Is there any Inspection Check List?
7. How about Quenching and it's criteria?