1. For proper surface profile, all hot dip galvanized parts are Brush-Off Sandblasted to SSPC-SP-7, commonly referred to as “sweep blasting”.
2. 130 F degreaser in high-pressure spray for approximately 60 seconds.
3. Fresh water rinse in high-pressure spray for 30-60 seconds.
4. 130 F Iron Phosphate in high-pressure spray for 60-90 seconds.
5. Fresh water rinse in high-pressure spray for 30-60 seconds.
6. Seal rinse in high-pressure spray for 30-60 seconds.
7. De-Ionized water rinse for approximately 60 seconds
8. Dry-off. 10 minutes at 250 F for 10 minutes.
9. Application of Rohm & Haas’s Zinc Rich Epoxy Primer P/N 13-7004 applied permanufacturers recommended application. Gel only (not full cure)
10. Polyester Powder topcoat application per manufacturer’s recommended application method.
11. Normal cure is 375 F (part temperature) for 12-15 minutes
12. All jobs Impact Tested to ASTM D2794 and Adhesion Tested to ASTM D3359.
    
    

Our custom 12 Stage Finish Process