... intermediate layer. Mechanically highly resistant tape system.Practically impermeable to water vapour and oxygen. Resistant to soil bacterial and soil electrolyte ... N·m15.3 Joules15.5 N·m15.5 JoulesColorBlackTape width in inches50mm(2″),101mm(4″),152mm(6″),228mm(9″),305mm(12 ... ″),457mm(18″),610mm(24″),750mm(29.5″)Tape roll length in feet15m(50ft),25m(82ft),30m(98ft),50m(164ft),61m(200ft ...