These specifications and methods of testing apply to cellular-rubber products known as sponge rubbers and expanded rubbers, but do not apply to latex foam rubbers. The base material used in their manufacture may be natural rubber, synthetic rubber, or rubberlike materials, alone or in combination. Ebonite cellular rubbers are not included.
Extruded or molded shapes or sizes too small for cutting standard test specimens are difficult to classify or test by these methods and will usually require special testing procedures.
In cases of conflict between the provisions of this general specification and those of a detailed specification, the latter shall take precedence. References to these methods for testing cellular-rubber products should specifically state the particular test or tests desired.
The Committee on Automotive Rubber Specifications (C.A.R.S.) develops and maintains SAE Standards, Recommended Practices and Information Reports relating to the development of thermoset and thermoplastic elastomer specifications for use in automotive and related industries. The J200 HK Table Task Force is updating the classification and characterization of fluorocarbon elastomers (FKM), which will make the table more useful to users of this family of elastomers. The Engine Oil Comp. with Rubber Gaskets and Seals is working on standard reference elastomers to be used in evaluation of current and future engine oils. These standards can be used for comparative studies, to determine the possible deleterious effects of oil technology changes on elastomers used in automotive and related applications. Participants in the SAE Committee on Automotive Rubber Specifications include OEMs, suppliers, consulting firms, government and other interested parties.
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SPONGE- AND EXPANDED CELLULAR-RUBBER PRODUCTS–SAE J18 DEC79
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SPONGE- AND EXPANDED CELLULAR-RUBBER PRODUCTS–SAE J18 DEC79
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