... supplier of plastic solid balls with all diameters in material POM ( Delrin),PP, PE,TEFLON.. POM Balls: Material: PTFE, TELFON ... their excellent resistance to oxidation and abrasion and, therefore the use of these balls, even in very corrosive environments, allows long ... insulation and are not magnetic. There are a variety of plastics available and each has different characteristics, so feel ...