Sherwin Willians Procedure
Bumper Cover Preparation PUR or PP1. Wash and rinse with detergent and water. AUTOMOTIVE FINISHES
2. Wipe with AQUA-MATE Low VOC Cleaner W4-K157.
3. Scuff sand bumper covers with gray nylon scuff pad.
4. To ensure all mold release agent is removed the bumper can be heated at 140 F for 45 minutes. Allow bumper to cool completely before cleaning.
5. Re-clean with AQUA-MATE Low VOC Cleaner W4-K157.
Coating PUR (polyurethane) bumper covers
6. Apply ULTRA-FILL II Acrylic Urethane Sealer E6-C61 or E6-H59 with MULTI-FLEX Urethane Flexible Additive V6-V299 according to label directions.
7a. Basecoat/Clearcoat Procedures
1. Apply ULTRA-7000 Basecoat Color.
2. Apply ULTRA-7000 Clearcoat over ULTRA-7000 Basecoat using MULTI-FLEX Urethane Flexible Additive V6-V299 according to label directions.
7b. NON-Basecoat/Clearcoat Procedures
Apply ULTRA-ONE STAGE Acrylic Urethane with MULTI-FLEX Urethane Flexible Additive V6-V299 according to label directions.
Coating PP (polypropylene) bumper covers
6. Apply one coat of Plastic Primer UPO-7224 according to label directions.
7. Apply ULTRA-FILL II Acrylic Urethane Sealer E6-C61 or E6-H59 with MULTI-FLEX Urethane Flexible Additive v6-V299 according to label directions.
8a. Basecoat/Clearcoat Procedures
1. Apply ULTRA-7000 Basecoat Color.
2. Apply an ULTRA-7000 Clearcoat over ULTRA-7OO0 Basecoat using MULTI-FLEX Urethane Flexible Additive V6-V299 according to label directions.
8b. Non Basecoat/Clearcoat Procedures
Apply ULTRA ONE STAGE Acrylic Urethane with MULTI-FLEX Urethane Flexible Additive V6-V299 according to label directions.
Coating PUR (polyurethane) or PP (polypropylene) bumper covers
5. Apply 1-11/2 coats of Priomat Elastic Primer 3304. Allow to dry for 10-15 minutes.
6. Apply two 3 coats of Priomat Elastic Primer Filler 3305. The mix is 2 parts 3305 and 1 part 8581. (
7. Allow to dry for 20 minutes.
8. Top coat with any Spies Hecker Top Coat.
Tips for elastic and top coat mixtures
1. Add 10% -100% Permacron Elastic Additive 8573 to Series 257 or Permacron 2K Clear Coats depending on its flexibility.
2. Most plastic bumpers require 25% to 50% Elastic Additive 573.
3. Only add Permacron Elastic Additive 8573 to the basecoat (before adding the hardener and reducer):
4. If Permacron Elastic Additive 8573 is used, 10% Permacron MS Duraplus 8580 may be added to increase drying time.