4
IdentIfyIng PaInt defects
ADHESION lOSS
plASTIC pARTS
Description
Loss of adhesion of the refinish system over a plastic substrate
causes
• 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
correcting
• Remove finish from affected areas
• Refinish part using approved plastic prep recommendations
