Compound Purges Plastic in Molding Applications

Dyna-Purge D2 purging compound from Shuman Plastics’ Dyna-Purge division features a “triple-action” technology designed to thoroughly clean and remove plastic material from the screw and barrel, as well as the tool or die in molding processes.

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Dyna-Purge D2 purging compound from Shuman Plastics’ Dyna-Purge division features a “triple-action” technology designed to thoroughly clean and remove plastic material from the screw and barrel, as well as the tool or die in molding processes. Its scrubbing formulation and wide processing temperature range of 350 to 625°F (177-329°C) are said to make it well-suited for injection, extrusion, compounding and blow molding applications. According to the company, an independent study demonstrated that the compound is more effective than mechanical (abrasive) and chemical purging compounds, resulting in faster cleaning and reduced downtime.