• PR1776 MB1/2 6oz
  • PR1776 MB1/2 6oz

BAC #: PR1776MB-1-2-6OZ

PR1776MB1/2 Low Weight Fuel Tank Sealant, AMS 3281

PPG

$161.70

$161.70

/EA

Description

PR-1776M Class B1/2 is a low density, high temperature aircraft integral fuel tank sealant. It has a service temperature range from -65°F (-54°C) to 250°F (121°C), with very limited excursions up to 360°F (182°C). This material is designed for fillet sealing and is 20% lower in weight than PS890 sealant.  6 oz Semkit.

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 1/2 Hour (Class B-1/2)
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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Features

PR 1776 class B is a two-part, high temperature resistant low gravity, fuel tank and fuselage sealant, based on Permapol P-5 liquid polymers, a chemically modified improved class of polysulfide polymers.

The mixed compound is a thixotropic paste, readily applied by extrusion or injection gun, which does not flow from vertical or overhead surfaces.

Excellent adhesion to aluminum, titanium, stainless steel, and other metals.

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Documents

SDS Sheet

TDS Sheet

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