underground detectable tape 1.Material:OPP/AL/PE 2.Length:100m-500m 3.Width:50mm-1000mm 4.Thickness:100micron-150micron underground detectable tape,detectable warning tape,detectable caution tapeFeatures:1) Made from thin sheets of bi-oriented polypropylene (PE/ AL FOIL/ BOPP), serves as protectionf for the underground pipe protection, such as water pipes, gas pipes and oil pipes2) With bright ...