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By Gerald Ondrey |

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High-tech microgranules for brilliant colors

Lanxess

Lanxess

This company’s Rhein Chemie Additives business unit is showcasing its organic Macrolex Gran colorants (photo) for the brilliant coloring of amorphous and semicrystalline plastics. Thanks to their microgranule form, the colorants compare extremely favorably with powders and compact granules owing to their excellent dispersion and processing properties and safe handling, says the manufacturer. Macrolex microgranules consist of hollow spheres that can be very easily crushed, which means they can be quickly, evenly and completely distributed and incorporated into the plastic. The excellent processability of the product is due to the fact that the hollow spheres comprise particularly small primary particles of around 2–10µm, depending on the color. The good free-flowing properties of the 0.3-mm spheres make precise metering easier and prevent clumping in the mixing process. The four-times higher bulk density compared with powder pays dividends in processing, transport and storage alike. Hall 6, Stand C78 — Lanxess AG, Cologne, Germany

www.lanxess.com

 

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