This material is designed for sealing of fuel tanks and other aircraft fuselage sealing applications. The cures sealant maintains elastomeric properties after exposure to both jet fuel and aviation gas. PR-1435 is a two-part, dichromate cure polysulfide compound. The uncured material is suitable for application by extrusion gun or brush. It has excellent adhesion to common aircraft substrates when correctly primed with PR-148 Adhesions Promoter.