Probably the most common question we get about our PTFE coated wire is “What is the thickness of the coating?” The confusion is typically caused by the difference between the diameter specified in our charts and the coating thickness mentioned in the description. It is somewhat confusing and the questions are warranted.
The diameter called out in the chart on our website is for the stainless steel wire and matches the diameters and tolerances of our uncoated stainless steel wire. The coating thickness of 0.00016″ and 0.00039″ would increase the overall diameter. So, when looking at charts for coated wire it is best to think of the diameters and tolerances for the base wire only and then add the thickness of the coating to those dimensions.