... POM(Delrin),NYLON,ABS,AS,PP,PE,PVC,PS,PC, TEFLON..... Size: 2.38mm~50.4mm(3/32"~2") Plastic ... valves and electronic components, sailing boat fittings. Polytetrafluorethylene Balls (Teflon®) Teflon are a well-known non-friction material which is resistant ... to most corrosive agents and is electrically nonconductive. Teflon is particularly suitable for use in apparatus designed to handle ...