... , but serves as an anode to protect buried metal container and metal pipeline in use process from electrochemical corrosion, it ... soil in acid, alkali, corrosion, greatly extend the metal container and metal pipeline life, so some people call it the cable ... ≤ 1.5 Ω.Cm, semi conductive polymer. The main physical and mechanical properties: Tensile strength elongation ≥ 12.5MPa, breakdown of Elongation ...