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 Polystyrene (PS) |
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Underwater pelletizing of PS produces good results for all variants and pellet sizes. PS is easy to handle - no processing problems are to be expected. PS has been successfully pelletized in HI and GP grades (high impact strength and crystal clear). Also micro-pelletizing of foamed variants with pentane, butane, so-called EPS products, has been successful. In micro-pelletizing PS, pellet sizes of approx. 0.4 mm are currently possible. Advantages The advantage of underwater pelletizing in this field is the simple processing of these products. Another benefit of using Gala pelletizing systems for PS is the containment of the typical odors and gases. The noise emission level can be minimized by selecting an appropriate dryer. Reasons for preferring a Gala underwater pelletizing system: • Low capital expenditure • Low space requirements • Low energy costs • Low tooling costs • Fully automatic and redundant design • Low sound pressure level < 80 db(A) |
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