Jun 11, 2016 0 comment

“Is it possible to create a very thin (.001 – .0015″) fluoropolymer film (PTFE, FEP or PFA) by the electrostatic powder coating process in a way that the film will not stick to the metal base material and can be removed from it?”

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“PTFE powders can be applied by electrostatic spray to substrates at 1.5 mils or greater. PTFE powders usually need a liquid primer for adhesion to the substrate. Knowing these two facts, can it be assumed that a 1.5 mil coating of PTFE material, applied at 1.5 mils without a primer and allowed to flow into a continuous film be removed (peeled) to form a sheet? I don’t think so, since the film would probably tear during removal. But it sounds like an interesting experiment to try.”

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