PR-1440 Class is an aircraft integral fuel tank sealant. It has service temperature range from -65°F (-54°C) to 250°F (121°C), with this intermittent excursions up to 275° (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.
PR-1440 Class A 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.
Application life and cure time @ 77°F (25°C), 50% RH - Application life - 2 - Tack free time - <36 - Cure time to 35 A Durometer - 72
Pack sizes - PPG-AFS 1909 - MSRR 9336 Issue 4 - AMS-S-8802 Rev.D Type II Class 2 - PPG-DTD900-6138 - AMS-S-8802 Type II Class A2
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