PR - 1440 Class B Fuel Tank Sealnt.
PR-1440 Class B is an aircraft integral fuel tank sealant with a service temperature range from -65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C).
Features :
- PR-1440 Class B is a two part, manganese dioxide cured polysulfide compound.
- It has a service temperature range from -54°C (-65°F) to 121°C (250°F), with intermittent excursions up to 135°C (275°F).
- 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.
- 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.
- This product is qualified to sev
eral manufacturers' specifications.