Like for like - PR-1440
PPG PR-1440 CLASS A - PR-1440 Class A is an aircraft integral fuel tank sealant.Features
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 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.