PPG PR1776M B-2 Low Weight Fuel Tank Sealant
PPG PR-1776M Class B is a low density, high temperature aircraft integral fuel tank sealant. This product is supplied in various sizes.
PR-1776M Class B 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 of fuel tanks and other prolonged exposure to aircraft fuels both jet fuel and aviation gas, and will resist limited contact to diphosphate ester based hydraulic fluids.
PPG PR-1776M Class B is a two-part, manganese dioxide cured Permapol° P-5 modified polysulfide. The uncured material is a low sag,thixotropic pastesuitable for application by extrusion gun or spatula. Itcures at room temperatureto form a resilient sealant having excellent adhesion to common aircraft substrates. PPG PR-1776M Class B is designed to be a direct replacement for PR-1776 Class B.
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