Adhesion Loss Plastic Parts

Loss of adhesion of the refinish system over a plastic substrate

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