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SAE J90 2008 Edition, July 1, 2008
Standard Classification System for Nonmetallic Automotive Gasket Materials
Description / Abstract:
The classification system provides a means for specifying or
describing pertinent properties of commercial nonmetallic gasket
materials. Materials composed of asbestos, cork, cellulose, and
other organic or inorganic materials in combination with various
binders or impregnants are included. Materials normally classified
as rubber compounds are not included, since they are covered in SAE
J200—ASTM D 2000. Gasket coatings are not covered, since details
thereof are intended to be given on engineering drawings or in
separate specifications.
Since all of the properties that contribute to gasket performance are not included, use of the classification system as a basis for selecting materials is limited.
The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
This SAE Recommended Practice may involve hazardous materials, operations, and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Rationale—The Powertrain Systems Group has been unable to convene a group of subject matter experts to perform the 5 year content review of this document. Under these circumstances, it is recommended that this Recommended Practice be cancelled.
Since all of the properties that contribute to gasket performance are not included, use of the classification system as a basis for selecting materials is limited.
The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
This SAE Recommended Practice may involve hazardous materials, operations, and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Rationale—The Powertrain Systems Group has been unable to convene a group of subject matter experts to perform the 5 year content review of this document. Under these circumstances, it is recommended that this Recommended Practice be cancelled.
SAE J90 2008 Edition, July 1, 2008
Standard Classification System for Nonmetallic Automotive Gasket Materials