PR-1770® Class B High Strength, Aircraft Integral Fuel Tank Sealant
PPG PR-1770 Class B sealant is a high strength aircraft integral fuel tank sealant with a service range from -67°F to 356°F. It is designed for fillet sealing of fuel tanks and fuselage applications. The cured sealant maintains excellent elastomeric properties after exposure to jet fuel and avgas. This two-part polysulfide compound is a low sag paste applied by extrusion gun or spatula.
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PPG PR-1770 Class B sealant is a high strength, aircraft integral fuel tank sealant. It has a service temperature range from -67°F (-55°C) to 356°F (180°C). This material is designed for fillet sealing of 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-1770 is a two-part, manganese dioxide cured Permapol® P-5 polysulfide compound. The uncured material is a low sag, thixotropic paste suitable for application by extrusion gun or spatula
It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.