... Monofilament Yarn Tensile properties: Polyester curtain line stretches up the lower rate, rapid take-up, and once they are tensioned, the screen ... and the damaging impact Thermal stability: Polyester screen line up in the environmental temperature of -40 to 70 degrees ... curtain of wear and tear Environmental protection: Polyester screen line up without corrosion, non-polluting, has played the role of ...