• Pay attention to details before forming plastic bottles

    Pay attention to the following issues before forming plastic bottles. It should be noted that the shape of the plastic bottle should be symmetrical. Minimize stretch points and parts. All transitions adopt circular arc transitions.      1 Make the wa...

  • What kinds of materials are used in the production of plastic preforms

    Everyone has seen plastic bottles. The size of this plastic bottle is the same. In real life, it is made with the help of plastic preforms. The parts are injection molded. At a specific temperature and pressure, the raw material is filled into the mo...

  • How to choose the raw material of plastic bottle embryo?

    Plastic bottle embryo is the initial form of plastic bottle. It takes a lot of steps to process it into a complete material. Raw materials should be selected before making. The raw materials include polyethylene, polyamide, polyoxymethylene, etc. Whe...

  • Development, material and demand of bottle cap

    Bottle cap is an important part of food and drink packaging, and also the place where consumers contact with the product first. The bottle cap has the characteristics of keeping the product airtight and stable quality, and also has the function of an...

  • Plastic bottle cap factory production process

    Conventional injection molding system Conventional injection molding system refers to the general injection molding system of thermoplastic. It consists of plastic parts for molding and post molding, as well as injection machines and injection moulds...

  • The requirements of plastic bottle caps on production materials

    With the increasing proportion of plastic packaging in the packaging industry, new types of plastic packaging materials are constantly emerging. New-style polyester packaging dominates the plastic packaging materials. The most eye-catching target is ...

  • What is the difference between PET plastic bottle and PP plastic

    Both PET plastic bottles and PP plastic bottles are a kind of plastic products, but there are also big differences between them. PP plastic bottle is a kind of non-toxic food container. Its high temperature resistance performance is very good. It can...

  • How to improve the heat resistance of the preform? Pay attention to these things when injection molding!

    In the process of producing plastic bottles, the process control of the preform is very strict. If the quality of the bottle is to be good, it is necessary to improve its heat resistance, mainly according to the injection cooling time control, select...