PR-1741 Class C Integral Fuel Tank Sealant

PPG PR-1741 Class C is a two-part polysulfide liquid polymer faying surface compound developed for sealing integral fuel tanks. It exhibits outstanding resistance to aircraft fuels, lubricating oils and Skydrol* hydraulic fluids. This compound can be used over a temperature range of -65°F to 360°F.

*Skydrolegistered trademark of Monsanto Company.


Discover the Future of Flight

Have questions or need support for your aerospace project? Contact PPG’s aerospace team today for guidance and tailored solutions.

PR-1741 Class C is a two-part polysulfide liquid polymer, faying surface compound that was developed for sealing integral fuel tanks. PR-1740 Class B exhibits outstanding resistance to aircraft fuels (aviation gasoline or jet fuel), lubricating oils, and deterioration by saturation of Skydrol hydraulic fluids. It can be used over a temperature range of -65°F (-54°C) to 360°F (182°C).