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    天然氣用大口徑焊管的涂塑

    Plastic Coating of Large-sized Welded Steel Pipe for Natural Gas Transport

    • 摘要: 當(dāng)前輸送天然氣用大口徑涂塑焊管國(guó)內(nèi)需求量大,生產(chǎn)廠家少。指出了這種涂塑焊管內(nèi)涂層為改性環(huán)氧塑膜（EP）,外涂層為線性低密度聚乙烯塑膜（LLDPE）,并介紹了其生產(chǎn)的關(guān)鍵工藝技術(shù)。

       

      Abstract: Nowadays the demand for plastic-coated large-sized steel pipes for natural gas transport is rather big,whereas producers for this kind of pipe are far from enough.It is identified that the pipe is internally coated with epoxy or EP,and externally coated with liner low-density polyethylene or LLDPE.Also described here is the key techniques concerning the tube coating.

       

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