Introduction Of 2 Production Process Methods For PP Bottle
PP bottle stretch blow molding has two types: extrusion stretch blow molding and injection stretch blow molding. They use extrusion and injection methods to form parisons. After the parison is formed, it is cooled to a high elasticity state or to room temperature, and then heated to a high elasticity state, and adjusted to obtain the optimal orientation temperature. Then, the parison is axially...
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