Secara serentak, the three-layered polymer sheath—where the FBE provides the critical electrochemical adhesion and the PE provides unparalleled physical defense—guarantees the pipe's longevity underground. Produk bersepadu ini, Direka selama beberapa dekad perkhidmatan yang boleh diramal, mengasyikkan selamat, cekap, and sustained operation of the world's vital energy infrastructure.