POLYBLAK® HS 7391 by LyondellBasell is a carbon black masterbatch. It contains a food approved (EU) carbon black in polystyrene. It is especially suited for the coloring of polystyrene sheets and injection molded parts for which a perfectly uniform dispersion of carbon black is required. POLYBLAK® HS 7391 can be used in food packaging.
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POLYBLAK® HS 7391 properties
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