PR-1791A is a brushing sealant for continuous use over a temperature range of -55°C to +230°C and for short periods up to 315°C, with outstanding resistance to aircraft fuels and lubricating oils and resistance to degradation by phosphate ester type hydraulic oils.
PR-1791A is an amine cured sealant based on Viton*.
The uncured material is a thick liquid suitable for application by brush or roller. The cured sealant maintains excellent elastomeric properties after prolonged exposure to aircraft fuels.