... ,PA(NYLON),PC,ABS,PE,HDPE and so on Usage:floating ball,valve ball,sewage ball,cosmetic package,industrial ,track ball,and ... mainly used in the cosmetic packaging, sewage disposal, and for floating. Solid ball diameter 1mm--60mm, mainly used in the industry ... onHollow ball10mm-100mmPP,PE,HDPERoll on ball,Bearing ball,Ball valve,Floating ball,and so onRoll on ball and holder8mm, 10mm,19 ...