... (NYLON),PC,ABS,PE,HDPE and so onUsage:for ball bearing,cosmetic package,industrial ,track ball,and so on hollow ballsize:9.5mm--100mmPP ... ,POM,PA(NYLON),PC,ABS,PE,HDPE and so on Usage:floating ball ... ,valve ball,sewage ball,cosmetic package,industrial ,track ball,and so on plastic roll on bottle 30ml ...