5 gallon special mold PET tube preform mold plastic bottle blowing mold processing

The blow molding machines are mainly divided into three categories: extrusion blow molding machines, automatic blow molding machines , injection blow molding machines and special structure blow molding machines. The processing technology is mainly divided into two kinds of one-step method and two-step method. One-step and two-step blow molding machine molding process, mainly used for PET and BOPP hollow container molding. Both have their own characteristics and are widely used. In comparison, the two-step method is more suitable for centralized production of preforms and dispersed blown bottles; and the one-step method is more suitable for online production of beverage companies.