BAC #: PR1776MB-1-2-6OZ
PR1776MB1/2 Low Weight Fuel Tank Sealant, AMS 3281
PPG
Description
*Special Order Sealant*
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. 20% lower weight than PS890 sealant.
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. Sealant has excellent adhesion to aluminium, titanium, stainless steel, and other metals.
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