PR-2001 Class B is a rapid cure, low odor, aircraft integral fuel tank sealant. It has a service temperature range from -80°F (-62°C) to 320°F (160°C), with intermittent excursions up to 420°F (216°C). This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. PR-2001 Class B is a two-part, epoxy cured PermapolP-3.1 polythioether compound.
Features:
1. The cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas.
2. The uncured material is a low sag, thixotropic paste, suitable for application by extrusion gun or spatula.
3. It can cure at low temperatures and is unaffected by changes in relative humidity.
4. This sealant has excellent adhesion to properly prepared common aircraft substrates.