Polyphenylene Sulfide (PPS) is a semi-crystalline engineering thermoplastic recognized for its unique combination of properties including chemical resistance, dimensional stability and thermal stability. The exceptional performance of this material in these environments has lead to extensive use in automotive "under the hood" applications. To maximize these material properties and make the high quality parts demanded by the automotive industry, it is very important that certain guidelines are followed in the molding process, failure to do so can result in premature part failure. This paper outlines one of the basic molding requirements, mold temperature, and the effect it has on the finished part.
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