Description
PR-188 is a sealant adhesion promoter suitable for use with both PRC and Pro-seal brand sealants. This product enhances the adhesion of polysulfide and Permapol® Polythioether-based sealants to standard aerospace substrates.
This product is fully qualified for the AMS 3100 Class 2 specification. It has zero VOCs 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 following AMS 3100 Class 2 test methods.
| AMS 3100Class 2 TY2 | GAP111W | 8273509 |
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 (pdf)
Health Precautions
This product is safe to use and apply when recommended precautions are followed. Before using this product, read and understand the Safety Data Sheet (SDS), which provides information on health, physical and environmental hazards, handling precautions, and first aid recommendations. An SDS is available on request. Avoid overexposure. Obtain medical care in case of extreme overexposure.
Standard PackagingCollapse/Expand
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.
Specification information provided for reference purpose only. Review specification QPL for verification or consult with engineering services.