Biesterfeld Plastic has secured the distribution rights of a range of cosmetic packaging copolyesters from South Korean firm SK Chemicals. From 1 August, Biesterfeld will be responsible for the distribution of the Skygreen PETG/PCTG, Skypet PET, and Ecozen bio-copolyester product lines – as well as the recently developed Ecotria product line, which contains 30 per…