This premium anti-static tubing is amine-free, won't corrode polycarbonate and offers superior performance in low humidity. This poly tubing was manufactured to exact specifications to ensure even wall thickness. With a surface resistivity less than 1 x 1012 ohms/sq our 4 Mil tubing meet the full static decay requirements of MIL-PRF-81705E, Type II and EIA-541. This can also be heat sealed, tied, stapled or taped shut. Our PAS Tubing comes neatly wound 3" core with 1" diameter core plug.