BAC #: PR1776MB2-6OZ
PR1776MB2 Low Weight Fuel Tank Sealant, AMS 3281
PPG
Description
*Special Order Sealant*
A filleting compound low gravity for sealing integral fuel tank and pressurized cabins. PR1776 Class B was especially developed for use over a temperature range of -55°C to + 95°C and up to 160°C, with outstanding resistance to aircraft fuels. 20% lower weight than PS890 sealant. Meets AMS 3281.
| Product Specifications | |
|---|---|
| Category | Fuel Tank Sealant |
| Typical Applications | Sealing integral fuel tanks, access panels, rivets, fasteners, lap joints, and other fuel-tight structures. |
| Application Areas | Wing tanks, center wing box, fuel cells, inspection covers, access doors, structural joints. |
| Application Technique | Extrudable |
| Work Life | 2 Hour (Class B2) |
| Cure Time | 14 days @ 77°F (25°C), 50% RH |
| Application Method | Semkit®, cartridge, or bulk dispensing equipment |
| Color | Brown |
| Specific Gravity | 1.29 |
| Temperature Range | -65°F to +250°F (-54°C to +121°C) with limited excursions up to 360°F (182°C). |
| Fluid Resistance | Jet fuel, avgas, hydraulic fluid, oils, water, weathering |
| Shelf Life | See manufacturer data sheet. Typically 9 months when stored below 80°F (27°C). |
| Standards Met | AMS-3281 |
| Manufacturer | PPG Aerospace |
| Available Packaging | Semkit® cartridges, pints |
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