... quality About us Brand NamePlace of OriginStandardxinxinZhejiang China ( mainland)SGSAbout plastic ball Product namePlastic ballMaterial POM(Delrin),NYLON,ABS,AS,PP,PE ... ,PVC,PS,PC, TEFLON.....Size 2 - 15 mmIntroduce and Application Plastic balls are deal for light load bearings and ... produced using standard and special polymer resins with diameters from 2.0 to 15 mm. and they can be used instead ...