The production craftwork of PET strap

Promulgator: ：admin 　 Send date: ：2022-06-26 18:09　Visitor: ：

The production craftwork of PET strap.After PET strap comes out of the nose, its temperature is very high, and it needs to be immediately put into the water for cooling. In this case, the internal structure is changed, thus facilitating the tensile orientation.Stretching is also an important process step, the main purpose is to improve the longitudinal strength of PET strap, reduce the elongation.Another is embossed, after PET strap is stretched, need to pass through two pressure roller with a pattern, be pressed on the pattern, and its role is to increase friction.