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聚乙烯防腐层

网络polyethylene

聚乙烯防腐层

聚乙烯防腐层

聚乙烯防腐层

polyethylene

...ive),厚度170～250μm；外层（背层）：聚乙烯防腐层（polyethylene）, 厚度≥3.0或 ≥3.7mm.

1

3-layer PE anti corrosion coatings are widely used for outside anti-corrosion of steel pipes now .

三层聚乙烯防腐层方法是目前广泛采用的钢质管道外防腐技术。

2

Therefore , the reasons making the 3-layer PE anti-corrosion coatings un-qualifying are investigated .

为此，探讨了产生不合格三层聚乙烯防腐层的原因。

3

Technical standard of polyethylene preservation coating for buried steel pipeline

埋地钢质管道聚乙烯防腐层技术标准

4

Research and Development of Polyethylene Anti-erosion Layer on Piping for conveying Oil and Gas

输油输气管道聚乙烯防腐层专用料的开发与研制

5

The Improvement and Development of 3-layer Structure Polyethylene Anti-corrosive Coating

3 层结构聚乙烯防腐层的改进和发展

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