PR-142 Adhesion Promoter: PPG Aerospace® Sealants

PR-142 is an adhesion promoter to enhance the coupling characteristics of polysulfide compounds to a wide variety of substrates. PR-142 is particularly well-suited for use with sealants on aircraft windshield applications where substrate crazing is an issue.

PR-142 is a one-part compound suitable for application by brush or clean gauze.