... 1:Graphite Filled PTFE Tube 2:Fiberglass Filled PTFE Tube 3:Copper Filled PTFE Tube Filled PTFE TubeOur company we can manufacture Filled PTFE ... Tubing as following1:Graphite Filled PTFE Tubing, and ... Tubing, and this product color is off-white3:Copper Filled PTFE Tubing, and this product mainly in molded, the ...