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PRC Desoto PR-1776M Class B Low Weight Fuel Tank Sealant
PRC Desoto PR-1776M Class B Low Weight Fuel Tank Sealant
Product Description
PR-1776MB-1-2 PRC-Desoto Low Weight Fuel Tank Sealant is a two-part, manganese dioxide cured Permapol® P-5 modified polysulfide with a 1/2 hour application life. This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. 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.

PR-1776M Class B is designed to be a direct replacement for PR-1776 Class B.

Material Safety Data Sheets (MSDS)
Product Specifications
Application Properties (typical)
Color Part A - Black
Part B - Off White
Mixed - Dark Brown
Mixing ratio Part A:Part B - 12:100
Base Viscosity (Brookfield #7 @ 2 rpm), Poise (Pa-s) - 11000(1100)
Application Life and Cure Time (B-1/2) @77° F (25°C), 50% RH Application life - 1/2 hour
Tack free time - < 8 hours
Cure time to 30 A Durometer - < 12 hours

For specific details, application data, and more about PRC-Desoto PR-1776MB-1-2 Class B Low Weight Fuel Tank Sealant please download and view this PDF, click here.

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