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Blow molding

viewed, updated：2019-12-24 11:03:51, Author：www.rxmould.com
Blow molding, also known as hollow blow molding, is a rapidly developing plastic processing method. During the Second World War, blow molding technology began to be used to produce LDPE vials. In the late 1950s, with the birth of HDPE and the development of blow molding machine, blow molding technology has been widely used. The volume of the hollow container can reach thousands of liters, and some production has been controlled by computer. The plastics suitable for blow molding include polyethylene, polyvinyl chloride, polypropylene, polyester, etc. the hollow containers are widely used as industrial packaging containers. According to the production method of parison, blow molding can be divided into extrusion blow molding and injection blow molding.

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