... - 15mm 2. Material:POM(Delrin),NYLON,ABS,AS,PP,PE,PVC,PS,PC, TEFLON... 3. We are factory 4 ... China ( mainland)SGSAbout plastic ball Product namePlastic ballMaterial POM(Delrin),NYLON,ABS,AS,PP,PE,PVC,PS,PC, ... in check valves, light load bearings, knobs and toggle switches and other applications where low cost and resiliency ... to temperatures of 140°F (60° C). white plastic toy ball ( SGS approved )