Loss of adhesion of the refinish system over a plastic substrate
Adhesion Loss Plastic Parts
Cause
- Improper prep and cleaning
- Failure to utilize an adhesion promoter on bare plastic
- Applying basecoat directly to a factory primed part
Prevention
- Thoroughly abrade and clean plastic part
- Use recommended adhesion promoter on bare plastic
- Avoid excessive film builds
- Use appropriate sealer over primed part
Rectification
- Remove finish from affected areas
- Refinish part using approved plastic prep recommendations