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This integral aircraft fuel tank sealant known as PR1770B2 has high strength in covering the hottest of parts on an aircraft. PR1770B2 has an incredible stamina against high temperatures and remains elastic no matter what type of fluid it is exposed to, including jet fuel and gas. Curing at room temperature, PR1770B2 is easy to apply to almost any aircraft substrate. Use PR1770B2 today for all of your aircraft sealant needs.