PR-188 Universal Sealant Adhesion Promoter
PR-188 is a sealant adhesion promoter that is suitable for use with
both PRC and Pro-seal brand sealants. This product enhances the
adhesion of both polysulfide, and Permapol® Polythioether based
sealants to standard aerospace substrates.
This product is fully qualified to the AMS 3100 Class 2 specification. It
has zero VOC’s as currently defined by U.S. environmental
regulations. PR-188 is a one part compound suitable for application by
brush or clean gauze. PR-188 is not appropriate for use on
polycarbonate or acrylic substrates.
The following tests are in accordance with AMS 3100 Class 2 test
methods.
Storage life
The storage life of PR-188 is at least 9 months when stored at
temperatures below 80°F (27°C) in original unopened containers.
Technical Data Sheet for PR-188
Adhesion Promoter
