Historical

SAE AMS3277K

Name: SAE AMS3277K PDF | Request Standard
SKU: 93dfe267d5c7

Sealing Compound, Polythioether Rubber Fast Curing for Integral Fuel Tanks and General Purpose, Intermittent Use to 360 °F (182 °C)

Standard by SAE International, 2019-02-08

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SAE AMS3277K.PDFSecure PDF
SAE AMS3277K.PDFOnline Access

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Language: English
License Type: Single User
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Language: English
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About This Item

This specification covers polythioether rubber fuel resistant sealing compounds supplied as a two-component system which cures at room temperature. Adds Class C-12(48) and C-48(168) application times with corresponding requirements. Adds accelerated cure times for Class C. Removes Class A and B low temperature cure test requirements except for 1/4 and 1/2 application times. Changes the 14-day hardness requirement to 7 days. Updates Peel Strength requirements to include dry peels on AMS-C-27725 substrate. Clarify Low Temperature Curing and Low Temperature Tack-Free Time requirements. Added AMS2629 fuel exposure to the Low Temperature Flexibility test that was deleted in Rev. B. Changed a Tensile and Elongation 7-day heat exposure requirement from 300 °F (149 °C) to 285 °F (141 °C). Deleted Chalking as an Initial Acceptance Test. For Acceptance, Accelerated Storage, and Shelf-Life testing, changed aging of sealant in AMS2629 instead of AMS2629/3% salt water to be consistent with other Integral Fuel Tank Sealing Compound specifications.

SKU: 93dfe267d5c7

Publication Date: 2019-02-08

Standard Status: historical

Publisher: SAE International

Document Type: Aerospace Material Specification

Subject: Adhesives and sealants, Chemicals, Titanium alloys, Aluminum alloys, Fuel tanks, Hydraulic fluids, Drying, Heat treatment, Assembling

Official SAE: Doi link

New Version Available: AMS3277M (2026-05-06)
Previous Version: AMS3277L (2024-06-28)
This Version: AMS3277K (2019-02-08)
Previous Version: AMS3277J (2015-12-02)
Previous Version: AMS3277H (2014-12-17)
Previous Version: AMS3277G (2012-11-20)
Previous Version: AMS3277F (2010-12-29)
Previous Version: AMS3277E (2010-08-18)
Previous Version: AMS3277D (2007-07-19)
Previous Version: AMS3277C (2004-10-18)
Previous Version: AMS3277B (2002-07-30)
Previous Version: AMS3277A (1999-01-01)
Previous Version: AMS3277 (1995-04-01)

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