PR-1782 Class S is a low density sprayable sealant with a
service temperature range of -55°C (-67°F) to 130°C
(266°F). This material is designed for sealing integral fuel
tanks and pressurised cabins. The cured sealant maintains
excellent elastomeric properties after prolonged exposure
to jet fuel, aviation gas and phosphoric ester hydraulic
fluids
PR-1782 Class S is a three-part, manganese dioxide cured
polysulfide compound. Once mixed, the uncured material
has a fluid consistency suitable for application by brush or
spray. It cures at room temperature to form a resilient
sealant having excellent adhesion to common aircraft
substrates
