... balls with all diameters in material POM ( Delrin),PP, HDPE,PS,.. Plastic Balls: Material: POM(Delrin),NYLON,ABS,AS,PP,PE,PVC ... ,PS,PC, TEFLON..... Size: 2.38mm~50.4mm(3/32"~2") Plastic Balls Introduce Plastic balls are deal for ... , conditioning and automation equipment, photocopiers and equipment for the industry.,.Plastic Balls have low friction and require virtually no lubrication. They ...