Reasons for choosing a one-step blow molding machine over a two-step blow molding machine are given below.
One-step blow molding machines are configured to make it difficult to put scratches on products during the bottle molding process. On the other hand, for two-step blow molding machines, because creating the preform and molding the bottle are two separate processes, the preform is likely to be damaged during preform transport process. Therefore, one-step blow molding machines are better for bottles where how they look are important (ie. for cosmetics, pharmaceuticals, etc.).
They are also suitable for molding bottles with extreme shapes and great oblateness. A preform thickness with different circumferences for optimal bottle shapes can be achieved.
They are suitable for unusual neck shapes and preform shapes, and wide-mouthed bottles.
It can take care of handles added later and special handle designs.
In addition, one-step blow molding machines are most suitable for molding from materials such as PP (polypropylene), PC (polycarbonate), etc.
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