Insulation | (1) PVC film, 3.5 mils minimum thickness bonded each side of conductors, or (2) PET film, 0.4 mil minimum thickness bonded each side of conductors, with Polyester adhesive, 0.5 mil minimum thickness, or (3) PET film or FR Polyester, 0.4 mil minimum thickness, and PVC film, 0.5 mil minimum thickness bonded each side of conductors, 10 mils minimum edge width and 3 mils minimum distance between conductors, or (4) PI film, 0.4 mil minimum thickness bonded on each side of conductors, with Polyester adhesive, 0.4 mil minimum thickness, 0.8 mil minimum total combined thickness. |