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A new cylinder head gasket facing material which incorporates desirable performance characteristics is described. This new technology is compared to current head gasket materials with respect to various important parameters. It is concluded that the new material holds exceptional promise for use in head gasket applications on new engines.

A brief description of the differences between asbestos and non-asbestos formulations of sheet materials used in gaskets are discussed. The beater addition process for the manufacture of non-asbestos formulations is described. Various test methods used to test non-asbestos gasket materials are cited. The use of designed experiments to solve problems involving the formulation of sheet materials is discussed. A specific problem and its solution are presented as a case history. In general it is found that the flexibility of the beater addition process is suitable for many gasketing applications.