... China ( mainland)SGSAbout plastic ball Product namePlastic ballMaterial POM(Delrin),NYLON,ABS,AS,PP,PE,PVC,PS,PC, TEFLON.....Size 2 - 15 mmIntroduce ... cost than metal balls.,The most common applications include plastic bearings and rollers, ball bearings for furniture, micro-pumps for sprays, dispensers ... may be used to temperatures of 140°F (60° C). Plastic Ball ( SGS approved )