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Rubber: Butyl (IIR) Low Compression Set and Low Moisture/Gas Permeability 65 to 75 Type A Hardness for Seals in Desiccated or Other Systems Requiring Resistance to Gas and/or Water Vapor Permeation
- Aerospace Material Specification
Published July 18, 2019 by SAE International in United States
Downloadable datasets availableAnnotation ability available
This specification covers a butyl rubber in the form of molded rings, compression seals, O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications. For sheet, strip, tubing, extrusions, and molded shapes use AMS3941 specification.
New butyl elastomer specification for seals for use in applications where gas and/or water vapor ingression prevention is critical.
Data Sets - Support Documents
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|Table 1||Qualification properties|
|Table 2||Batch test|
|Table 3||Acceptance lot test for O-rings|
|Table 4||Acceptance test for all other seal geometries except plate seals|
Welcome to the AMS-CE Elastomers Committee Discussion Forum.The AMS-CE Elastomers Committee maintains Aerospace Materials Specifications (AMS), Aerospace Recommended Practices (ARP), Aerospace Information Reports (AIR) and Aerospace Standards (AS) on elastomeric materials. AMS-CE, which reports to the Aerospace Materials Division, coordinates and maintains liaison with industry, government and other standardization groups on elastomeric materials. A significant part of this committee is concerned with elastomeric fluid sealing materials, their applications, material development, testing, quality, design parameters and design practices. No copyrighted material may be posted in this forum. SAE is not liable for opinions expressed or information posted to this forum. All information posted becomes the property of SAE.