PR-1440® Class A Aircraft Integral Fuel Tank Sealant
PPG PR-1440 Class A sealant is an aircraft integral fuel tank product with a service range from -65°F to 250°F with short excursions up to 275°F. It is designed for brush sealing of fasteners in fuel tanks. The cured sealant retains elastomeric properties after exposure to jet fuel and aviation gas. This two-part polysulfide compound is applied by brush up to 25 mils thick.
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PR-1440 Class A sealant is an aircraft integral fuel tank sealant. It has a service temperature range from -65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C). This material is designed for brush sealing of fasteners in fuel tanks and other aircraft fuselage applications. The cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas.
PR-1440 Class A sealant is a two-part, manganese dioxide cured polysulfide compound. The uncured material is suitable for application by brush in thickness up to 25 mils. It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.