Hot days with high dew points, and their high relative humidity, invariably lead to a host of molding problems. The molder is faced with either substantially altering the process or coping with the effects of sweating molds and equipment. A steel core in an injection mold was replaced using a copper alloy. Process conditions for the mold were established to accommodate operating conditions with a high dew point. Controlled testing was performed under adverse weather conditions. Results of these prove the efficacy of correctly applied copper alloy components for the reduction or elimination of problems caused by condensation on molding components.
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