1968-02-01

Integral Skin Urethane Foam 680062

A new process for preparing urethane foam automotive trim parts is described. The new system known as integral skin foam, forms its own continuous skin which reproduces exactly the surface of the mold. Rapid mold turnover, room temperature cure, and the elimination of plastic skin can effect an overall reduction in cost per part.
In items with severe undercuts, the use of pliable, elastomeric molds may be dictated in order to eliminate the juncture lines resulting from a multipart metal mold. The use of liquid urethane elastomer in such areas is described.
The new system requires post-coating, and nondiscoloring urethane types for exterior as well as interior parts are also discussed.

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