Alkaline degreasing for 20 minute ,Water rinse for 3 minute
2. Surface condition for 5 minute
3. Zine Phosphate for 20 minute , water rinse for 3 minute
4. Get rid of excessive water with air gun and electric fan
5. Oven dry at 180 Celsius for 25 minute and cool down with electric fan
6. Abrasive blast cleaning with steel girt.Achieve Sa2.5(Near white)
7. Cleaning any excessive loose alien particles with air gun
8. Hook up all the products with hangers ready for coating