Description
PR-2050 Class B is a rapid curing sealant designed for aerodynamic smoothing and gap filling applications. This product has low shrinkage and cures to a sandable hardness in approximately one hour at 77°F (25°C). When cured, PR-2050 Class B remains flexible, reducing potential cracking problems.
PR-2050 Class B is a two part, epoxy cured, Permapol® P-3.1 Polythioether. The cured product will not degrade when exposed to aircraft fuels, nor with limited contact to diphosphate ester based hydraulic fluids. PR-2050 Class B has a service temperature range of – 65°F to + 250°F (- 54°C to 121°C) with intermittent exposures up to 400°F (204°C). PR-2050 Class B exhibits excellent adhesion to a wide variety of property prepared aircraft surfaces.
Formulated in a four to one, base to accelerator ratio by volume, PR-2050 Class B is provided in convenient mix on demand (side by side) packaging. Air driven dispensing equipment is recommended for ease of application.
Available in Gary or White
Specifications
Technical Data Sheet for PR-2050 (pdf)
For more information about these products contact Bergdahl Associates, Inc.
Standard PackagingCollapse/Expand
PR-1770 comes in the following packaged configuration:
- Sempak® mix on demand (side by side) packaging.
- Sempak Cartridge with 200 ML of sealant.
- Semkit® package - a complete package assembly that stores, mixes, and applies sealant. Semkit® packages eliminates the labor intensive task of measuring and handling materials, and prevents contamination when opening and closing can kits.
- Model 678 Semkit® with 1 fl. oz. of sealant in a 1 oz. cartridge
- Model 693 Semkit® with 4-1/2 fl. oz. of sealant in a 6 oz. cartridge
- Other packaging configurations may be available.