PPG Aircraft Integral Fuel Tank Sealant PR-1440 B-2

Description

PR-1440 Class B 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 fillet sealing of fuel tanks and other aircraft fuselage sealing applications. T he cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas.PR-1440 Class B is a two-part manganese dioxide-cured 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.PR-1400 Class B is also available in performed parts using PPG’s proprietary Ambeint Reactive Extrusion (PPG ARE™) additive printing technology.