16 spectrum TEXTILE | 2007 W ith more than 30,000 spinning units deliv- ered in the last ten years, POY (Pre-Orien- tated Yarn) systems are the most success- ful product of Oerlikon Barmag, the world market leader of spinning systems for polyester, nylon and polypropylene. In the manufacture of chemical ? bers, plastic granu- late is ? rst melted in the extruder. Then spinning pumps press the melted material through micro-? ne nozzles und

Join for free to read