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A brush consistency compound for sealing integral fuel tanks and pressurized cabins. PR 1750 Class A was especially developed for use over a temperature range of -55 C to +180 C with outstanding resistance to aircraft fuels (aviation gasoline or jet fuel) and petroleum base librificating oils.
PR 1750 Class A is a two-part polysulfide liquid polymer. The mixed compound is of fluid consistency which can be applied by brush, once applied around fasteners will not drip or flow from vertical or overhead surfaces. Sealant has excellent adhesion to aluminum, titanium, stainless steel, and other metals.
