China's first batch of non-fluorinated polyurethane rigid foam anticorrosive and heat-insulating steel pipelines that meet the Montreal International Environmental Protection Convention standards were successfully rolled off the pipeline at Shengli Oil Construction Co., Ltd. pipeline prefabrication plant. The move marks a substantial breakthrough in the study of non-fluorinated alternative technologies supported by the UN Environmental Protection Agency, and has cleared technical barriers for the full implementation of process upgrades for over 20 similar production lines in the domestic petrochemical industry. Polyurethane rigid foam plastics are widely used in petrochemicals, home appliances and other fields as insulation materials due to their advantages of water resistance, chemical resistance, low thermal conductivity and high strength.
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