PR-706 is a non-curing fuel tank channel sealant. It has a service temperature range from -65°F (-54°C) to 200°F (104°C). This material is designed for sealing aircraft fuel tanks utilizing a channel/groove design with gaps of 5 to 15 mils wide. The material offers excellent resistance to water and hydrocarbon aircraft fuels like JP-4 and JP-8.
PR-706 is a one-part, polysulfide compound. The material is a heavy, putty-like compound suitable for application by high pressure injection gun.