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Brief introduction of PET bottle blowing machine
Oct 31, 2017

Pet bottle Blowing Machine blow molding process is a two-way stretching process, in this process, pet chain is two-way extension, orientation and arrangement, thereby increasing the mechanical properties of the bottle wall, improve tensile, resistance to Zhang, punching strength, and have excellent air tightness, although stretching can help to improve the strength, but also can not be stretched too, to control the tensile swelling ratio.

The blowing bottle is between the glass temperature and crystallization temperature, usually manipulated between the 90~120度, in this interval pet performance is high elasticity, rapid blow molding, cooling shape after the transparent bottle. In one step, the temperature is determined by the length of the cooling time in the injection process (such as the Aoki blowing machine), so the connection between the injection-blowing two station.


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