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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.

These specifications for SAE J90 are intended to define the basic properties of commercial nonmetallic gasketing materials commonly used in automotive applications. These include materials composed of asbestos or other inorganic fibers, cork, or cellulose or other organic fibers, in combination with various binders or impregnants. Rubber compounds without fibrous or cork reinforcement are not included since they are covered in SAE Standard, Specifications for Elastomer Compounds for Automotive Applications—SAE J14, and in ASTM D 735-61T. Although the test methods and values are designed to describe the basic properties of the material in each category, they do not define all of, the properties which govern gasket performance. Caution should, therefore, be exercised in using these specifications as a basis for the selection of materials.

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.

This procedure establishes recommendations on the measurement of diesel engine intake air flow under steady-state test conditions. The measurement methods discussed have been limited to metering systems and associated equipment found in common usage in the industry, specifically, nozzles, laminar flow devices, and vortex shedding. The procedure establishes accuracy goals as well as explains proper usage of equipment. The recommendations concerning diesel engine exhaust mass flow measurements are minimal in scope.

This SAE Recommended Practice provides information on procedures, tools, and fixtures useful in determining frictional torque measurement of radial lip oil seals. Information on the effect of various operational environments on oil seals are discussed and a means of calculation of power consumption of seals is provided.

This SAE Recommended Practice defines radial lip force for shaft seals. The principle of lip force measurement is described and the types of radial force measuring devices are discussed. A type of radial force measuring device and procedure for use is recommended.

This SAE Recommended Practice defines radial lip force for shaft seals. The principle of lip force measurement is described and the types of radial force measuring devices are discussed. A type of radial force measuring device and procedure for use is recommended.