... PTFE extruded tubes, Material: pure PTFE from Daikin or Dupont, Specification: 0.5~30mm, Product name: PTFE extruded tubeMaterial: pure PTFE from Daikin ... or DupontSpecification: 0.5~30mmColour: white, red, blue, green, black ect PTFE teflon ... Insulation Properties The specification and permissible tolerance of PTFE (Teflon) Tubes'SFG-1:ID≤4mm,SFG-2 ...