Dupont California Recommendation 800-3DuPont

Dupont California Recommendation 800-3DuPont (800-338-7668), www.performancecoatings.dupont.com

1. Remove original sealant materials from the roof ditch area using an air gun with a chisel bit.

2. Prep and clean the roof ditch area with 180 grit sand paper and blow off with compressed air.

3. Wipe the repair area with 3900S First Klean(R) wax and grease remover.

4. Mix and apply 1 medium wet coat of DuPont(R) Vinyl Wash Primer to all bare metal sand-through areas in the roof ditch. (Recommended film build: 0.4 - 0.6 mils in 1 coat) Mix ratio: Product Volume Weight (cumulative pt) 1305S 1 Part 208.1 grams 1306S 1 Part 410.5 grams Allow material to air dry between 1 - 2 hours. Do not scuff or sand.

SEE COMMON TASKS TO ALL REPAIRS

5. Mix and apply 3 medium wet coats of DuPont(R) 2K High Build Primer (Recommended film build: 4 - 6 mils in 2 coats) Mix ratio: Product Volume Weight (cumulative qt) 3240S 2 Parts 1014 grams 3205S 1 Part 1337 grams Allow material to air-dry: 1 - 2 hours at high humidity (50% RH or higher). 3 - 4 hours at low humidity (30% RH or lower). Force or force dry: 30 minutes at 140°F. Sand with red 3M Scotch-Brite(R) Pad.

6. Blow off the roof ditch with compressed air; wipe the repair area with 3901S Final Klean(R) wax and grease remover, and tack off to remove loose dust and debris.

7. Mix and apply ChromaBase(R) Basecoat to hiding. (0.5 - 2.0 mils) Mix Ratio: Product Volume ChromaBase color 1 Part 7160S, 7175S, 7185S, 7195S 1 Part 12305S 1 Oz. per ready-to-spray qt. Allow material to air dry 20 minutes. Do not scuff or sand.

8. Apply 2 medium wet coats of ChromaClear(R) Multi-Use 2100S (Recommended film build: 1.8 - 2.2 mils in 2 coats) Mix ratio: Product Volume Weight (cumulative qt) 2100S 3 parts 630.5 grams 2105S 1 part 841.2 grams. Allow material to air dry 16 hours or bake 30 minutes at 140° F followed by 4 hour cool down.

NOTE
DUE TO THE DIFFERENCE IN REDUCER WEIGHTS, USE THE FOLLOWING REDUCER WEIGHTS TO FINISH THE CUMULATIVE SPRAYABLE QUARTS. 2165S 1006.9 GRAMS 2175S 1040.5 GRAMS 12375S 1096.2 GRAMS.

9. Demask the vehicle and deliver to the customer.