Characteristics and material selection of plastic packaging bottle
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Characteristics and material selection of plastic packaging bottle

  • Release date: 2021-06-22 14:50 reading times: 365
  • With the development of science and technology and the progress of various processing technologies, polyethylene, polypropylene, polyester and other polymer materials have been used to a greater extent Plastic packaging bottle It is a more extensive aspect.

     

    Plastic packaging bottle plays an important role in our production and life. It has the characteristics of non-toxic, tasteless, light weight and non fragile. It can resist the corrosion of most acid-base solvents. Some special materials can also withstand higher temperature. It will not produce certain deformation and damage in high temperature, and will not produce certain harmful gases. It can be used as medicine packaging, daily necessities, and other special materials Packaging of food and other articles. In veterinary medicine packaging, it can be used not only for solid powder, but also for liquid medicine such as animal vaccine and injection.

    At present, the commonly used plastic packaging bottle materials on the market are polyethylene, polypropylene, polyester, etc., and different materials are suitable for different product packaging. High density polyethylene (HDPE) or polypropylene (PP) is mainly used for drugs, while polyester raw materials are selected for items requiring transparent packaging, such as beverages and oral liquid bottles. Most of the beverage bottles are made of polyethylene and polypropylene. For some items that need to be kept away from light, brown bottles are generally selected to avoid decomposition of the contents.

    On the whole, the various advantages of plastic packaging bottle also make its application scope expanding. Various processing technologies, such as injection molding, injection blowing, extrusion blowing, injection drawing blowing, etc., make this kind of packaging have more forms.

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