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PR-1750 Fuel Tank Sealant |
| Description PR-1750 Class A 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 360°F (182°C). 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. PR-1750 Class A is a two-part, manganese dioxide
cured polysulfide compound. The uncured material is suitable for application by brush
in thickness up to 25 mils. It cures at room temperature to form a resilient sealant
having excellent adhesion to common aircraft substrates. Tested in accordance with AMS
3276 Class A specifications. PR-1750 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. Tested in
accordance with AMS 3276 Class B specifications. |
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Date Issue: 04/05
