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埋地钢制管道聚乙烯防腐层
pe anti-corrosion steel pipe for underground
挤压聚乙烯防腐层分为二层结构和三层结构两种。二层结构的底层为胶黏剂层，外层为聚乙烯层，三层结构的底层通产为环氧粉末底层，中间层为胶粘剂层，外层为聚乙烯层。
the anti-corrosion layer of extruding pe includes the types of two-layer structure and three-layer structure. for two-layer structure, the bottom is adhesive layer, and the outside is pe layer. for three-layer structure, the bottom is epoxy powder layer, the middle is adhesive layer, and the outside is pe layer.
standard:gb/t23257-2017
specification:dn100-dn2000mm
主要应用于长距离水利供水工程、市政给排水、油气输送、地下管廊建设等主要领域。
hydraulic engineering for long-distance water supply, municipal projects for water supply & drainage, underground pipeline project etc.
