... HDPE double wall corrugated pipecan withstand a variety of chemical media corrosion.PE tube, no electrochemical corrosion. 3, excellent ... health, good sealing performance, corrosion resistance, shake resistance, good quality, cheap, easy to install and use the advantage. Music HDPE ... delaminationConformedOven testno and drying crackConformedCreep rate,%≤20.46% High quality HDPE corrugated pipe