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SAE AMS7269 Revision B, April 1, 1991
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RINGS, SEALING, SILICONE (PVMQ) RUBBER Low Outgassing, Space and Vacuum Service 45 - 55
Includes all amendments and changes through Reaffirmation Notice , November 2003
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AIA/NAS Aerospace Standards

This specification covers a low-outgassing silicone (PVMQ) rubber compound in the form of molded rings.


Primarily for use in interplanetary space and other hard vacuums from -75° to +150°C (-103° to +302°F), with a minimum of condensable outgassing products. While within the earth's atmosphere, the silicone rubber compound is resistant to deterioration by ozone, smog, and weathering.

Safety - Hazardous Materials:

While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.