Polyethylene can be divided into high density polyethylene (HDPE), low density polyethylene (LDPE) and linear low density polyethylene (LLDPE) according to the polymerization method, molecular weight and chain structure. LDPE Properties: tasteless, odorless, non-toxic, opalescent, waxy particles with a density of about 0.920 g/cm3 and a melting point of 130 °C~145 °C. Insoluble in water, […]
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General characteristics Polyethylene resin is non-toxic and tasteless white powder or particle, with milky white appearance, wax like feel, and low water absorption, less than 0.01%. The polyethylene film is transparent and decreases with the increase of crystallinity. The polyethylene film has low water permeability but high air permeability, so it is not suitable for
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Recently, the international energy market has experienced ups and downs. At the end of September, the Russian natural gas Beixi 1 and Beixi 2 transmission pipelines leaked, and the natural gas price soared accordingly; At the beginning of October, OPEC+decided to reduce the crude oil production by 2 million barrels per day in November, and
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