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This specification covers one type of phosphonitrilic fluoroelastomer in the form of molded rings.

This specification covers one type of phosphonitrilic fluoroelastomer in the form of molded rings.

This specification covers a chloroprene rubber in the form of sheet, strip, tubing, extrusions, and molded shapes.

This specification covers a butyl rubber in the form of sheet, strip, tubing, extrusions, and molded shapes.

There are many tests that have been developed to characterize rubber O-rings. Many of these tests are independent of the size of the O-ring being tested. However, there are some tests, specifically, stress/strain properties, that are a function of the O-ring’s size. The purpose of this report is to provide guidelines for specifying O-rings that would be considered “suitable for testing” when writing O-ring material specifications.

To ensure success in design of elastomeric parts for use at low temperature, the design engineer must understand the peculiar properties of rubber materials at these temperatures. There are no static applications of rubber. The Gaussian theory of rubber elasticity demonstrates that the elastic characteristic of rubber is due to approximately 15% internal energy and the balance, 85%, is entropy change. In other words, when an elastomer is deformed, the elastomer chain network is forced to rearrange its configuration thereby storing energy through entropy change. Thermodynamically, this means that rubber elasticity is time and temperature dependent (Reference 25). The purpose of this report is to provide guidance on low temperature properties of rubber with the terminology, test methods, and mathematical models applicable to rubber, and to present some practical experience.

This specification covers a chloroprene rubber in the form of sheet, strip, tubing, molded shapes, and extrusions.

This specification covers a chloroprene rubber in the form of sheet, strip, tubing, molded shapes, and extrusions.

This specification covers a chloroprene rubber in the form of sheet, strip, tubing, extrusions, and molded shapes.

This specification covers established metric (SI) manufacturing tolerances applicable to non-cellular rubber products ordered to metric dimensions. These tolerances apply to all conditions, unless otherwise noted. The term "excl" applies only to the higher figure of the specified range.

This specification covers established metric (SI) manufacturing tolerances applicable to non-cellular rubber products ordered to metric dimensions. These tolerances apply to all conditions, unless otherwise noted. The term "exclusive" applies only to the higher figure of the specified range.

This specification covers a fluorosilicone rubber in the form of sheet, strip, tubing, and molded shapes.

This specification covers a chloroprene (CR) rubber that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes such as window channels, bumper pads, chafing strips, etc. For molded rings, compression seals, molded O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications, use the equivalent AMS7XXX specification.

This specification covers a chloroprene rubber in the form of sheet, strip, tubing, extrusions, and molded shapes.

This specification covers a butyl rubber in the form of sheet, strip, extrusions, and molded shapes.

This specification covers a silicone rubber in the form of sheet, strip, tubing, extrusions and molded shapes.

This specification covers an extreme-low-temperature-resistant silicone rubber in the form of sheet, strip, and molded shapes.

This specification covers a chloroprene rubber in the form of sheet, strip, tubing, and molded shapes.