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專業生產銷售大口徑厚壁國標螺旋鋼管，廠內加工防腐/保溫/涂塑

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厚壁3pe防腐鋼管

厚壁3pe防腐鋼管

3PE防腐鋼管結構組成包括：熔結環氧粉末底層、聚合物膠粘劑中間層和聚乙烯面層，其中環氧粉末底層的作用是形成連續的涂膜，與鋼管表面粘結、固化而提供良好的附著力，并具有很好...

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