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August 31, 2022
The PET Bottle Blowing Machine is mainly used for blowing PET plastic materials. It is completed by a series of actions such as feeding, heating, conveying, stretching, and clamping. In this process, the PET chains are bidirectionally extended, oriented and aligned, thereby increasing the mechanical properties of the bottle wall, improving tensile, tensile, and impact strength, and having excellent air tightness.
Although stretching helps to increase strength, it should not be overstretched, and the stretch-to-blow ratio should be controlled. Blowing is carried out between the glass transition temperature and the crystallization temperature, usually controlled between 90 and 120 degrees. In this range, PET exhibits a high elastic state, and it becomes a transparent bottle after being rapidly blown, cooled and shaped.
The above is the PET bottle blowing machine working principle and characteristics we have listed for you. You can submit the following form to obtain more industry information we provide for you.
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