Donghe Metal Product Center Special-shaped copper

Plastic-coated copper tube

Plastic-coated copper pipe is a composite material consisting of a seamless copper pipe covered with a wear-resistant and corrosion-resistant polyethylene plastic. This type of pipe is widely used in various pipeline projects, including indoor hot and cold water pipes, buried and buried pipes, and pipes used in corrosive environments. In addition, they are also suitable for transporting gas or other gases.

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Performance advantages of plastic-coated copper tubes

  • Corrosion resistance: Plastic-coated copper pipes can resist the erosion of chemicals and corrosive liquids, extending the service life of the pipes;
  • Anti-wear: The outer polyethylene layer increases the wear resistance of the pipe and reduces damage caused by friction.
  • Good thermal insulation performance: The special concave groove design helps to trap air to form an insulating layer, effectively preventing condensation, and is suitable for hot and cold water pipes.

Plastic coated copper tube performance parameters

Product Technical Specifications
指标维度 指标项 具体参数或说明
产品规格范围 牌号 Cu-DHP
规格 φ15*0.7、φ12*0.7、φ20*0.7
状态 R250、R290
环保指标 RoHs、REACH 产品材料均符合RoHS和REACH相关要求
铜管技术指标 抗拉强度 R290(≥290Mpa),R250(≥250Mpa)
延伸率 R290(≥3%)参考值,R250(20%、30%)
硬度 R290(>100),R250(75~100)
水压实验 4Mpa,3min无泄露
覆塑层技术指标 抗拉强度 ≥250
水压实验 4Mpa,3min无泄露
聚乙烯密度 0.93~0.94g/m³
脆化温度 ≤-70℃
保护层阻燃率(氧指数) ≥28%