my country’s high-density polyethylene industry chain has been formed and output is gradually increasing

high-density polyethylene (hdpe) is one of the subcategories of polyethylene. it appears as an opaque white powder or granules without special odor at normal temperature and pressure. it is odorless, non-toxic, light in weight, moisture-resistant and heat-resistant. it has the advantages of good toughness and easy processing, but it also has the disadvantages of low…