Common Features When the vinyl acetate content of EVA is less than 20%, then it can be used as plastic. EVA has good low temperature resistance, its thermal decomposition temperature is low, about 230 °C, with the increase of molecular weight, the softening point of EVA rises, the machinability and the surface gloss of plastic […]
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Dioctyl terephthalate (DOTP) is an organic compound with the formula C24H38O4. It is a transparent oily liquid, insoluble in water, soluble in general organic solvents. Dioctyl terephthalate is an excellent main plasticizer for polyvinyl chloride (PVC) plastics. Compared with the commonly used diisooctyl phthalate (DOP), it has the advantages of heat resistance, cold resistance, volatilization
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Polyethylene (PE for short) is a thermoplastic resin made from ethylene through polymerization. In industry, it also includes ethylene and a small amount of α- Copolymers of olefins. Polyethylene is odorless, non-toxic, feels like wax, has excellent low temperature resistance (the minimum use temperature can reach – 100~- 70 °C), good chemical stability, and can
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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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Usage allocation The injection molding products used in Europe and America account for 50% of the total consumption, mainly used as parts of automobiles and electrical appliances, various containers, furniture, packaging materials and medical equipment; Film accounts for 8%~15%, and polypropylene fiber (commonly known as polypropylene fiber in China) accounts for 8%~10%; Pipes and plates
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In view of the poor impact resistance, weather resistance and surface decoration of polypropylene at low temperatures, as well as the gap between the functionality of electricity, magnetism, light, heat and combustion and the actual needs, polypropylene has been modified to become the most active and fruitful field in plastic processing.
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Polypropylene is a kind of thermoplastic synthetic resin with excellent performance, which is a colorless and translucent thermoplastic lightweight general-purpose plastic.
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Polyvinyl chloride (PVC) is a polymer polymerized by vinyl chloride monomer (VCM) in the presence of initiators such as peroxide and azo compound or under the action of light and heat according to the free radical polymerization mechanism, and is an important category of synthetic resin.
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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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