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.
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 (pdf)
For more information about these products contact Bergdahl Associates, Inc.
PR-188 comes in the following packaged configuration:
- One Pint in a 16 oz. Bottle
- Two Ounce in a 2 oz. Bottle
- One Ounce in a 1 oz. Bottle
- 4 Dram In a 4 Dram Vial
- Other packaging configurations may be available.