Blow molding is the process of inflating a hot, hollow, thermoplastic preform or parison inside a closed mold, so its shape conforms to that of the mold cavity. A wide variety of blow molded hollow parts, including plastic bottles, can be produced from many different plastics using this process.
There are three main types of blow molding:
Extrusion blow molding
Injection blow molding
Injection...
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