Powder and Bulk Engineering
Monday, September 01, 2014
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Powder and Bulk Engineering is a technical publication devoted to readers in the bulk solids market, worldwide.
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Publication Date: 11/1988
Pages: 3
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Deduster removes fines, fluff, and streamers to improve PVC quality

Unwanted contaminants are no longer attracted to Sylvania Chemical's PVC pellets -- but customers are.

Sylvania Chemical Co. manufactures polyvinyl chloride [PVC] compounds at its plant in Denver, Pa. A few years ago, the company had problems with excess contaminants -- fines, fluff, and streamers -- in its flexible PVC compounds. These contaminants caused problems when Sylvania's customers processed the PVCs. The fines, fluff, and streamers burned first, creating specks and imperfections in the finished products. In addition, cross-contamination of colored fines caused color changes.

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