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Polyethylene (PE) |
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Underwater pelletizing of PE produces very good results for all densities and pellet sizes. PE is easy to pelletize with all commercial fillers. CaCO3, talc, chalk, TiO2, carbon black, wollastonite, EPDM, EPR etc. are used as fillers, but also pigments and other additives or stabilizers are possible. Products are tacky in processing (high MFI). PE is easy to handle - no processing problems are to be expected. PE, LDPE, LLDPE, VLDPE, LMDPE, HDPE, UHMWPE, etc. have already been processed successfully. In micro-pelletizing PE, pellet sizes of approx. 0.3 mm are currently possible. Advantages The advantage of underwater pelletizing in this field is the simple processing of these products. Special die hole designs permit excellent results for foamable PE and cross-linked PE. Thanks to the high level of flexibility afforded by the Gala systems, a wide range of pellet sizes is possible, simply by selecting the appropriate die plate and dryer screens. 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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