> Jim Fosse wrote: > > I note that I had my hands (second most positive) on polyethylene > (fifth most negative). > > jim > Note also Richard Hull's comment about air (Max +) drying Teflon (Max -)!! It doesn't take much airflow to accomplish the job. Perhaps you've seen the new style of electrostatic furnace dust filters - no power supply, just a black plastic (probably polyethylene) mesh that self- charges with airflow... Dave