In general, non-oriented polyester film thickness can not be less than 150 microns, this time can not run too fast to prevent cracking. But now the situation has changed. Australia's SML Extrusion Technologies and one of its customers have developed a new type of die and casting system that is said to produce 18 micron thickness at a speed of 180 meters per minute. PET Film. SML and its partners enjoy exclusive rights to the patent until the fall of 2006. Previously, the closest to this level was the German company Bruckner Formtec, which produced 80-micron PET thin films at 100 m/min.
Source of information: pack.cn
