PPG PR-1422® Class A Fuel Tank Sealant

PPG PR-1422 Class A integral fuel tank sealant has a service range from -65°F to 250°F with short excursions up to 275°F. It's designed for brush sealing of fasteners in fuel tanks and fuselage applications. The cured sealant retains elastomeric properties after exposure to jet fuel and avgas. This two-part dichromate cured polysulfide compound is applied by brush up to 25 mils.

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PPG PR-1422 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 sealing applications. The cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas. PPG PR-1422 Class A sealant is a two-part, dichromate 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.