Custom silicone roller for printing machine specification custom silicone roller for printing machine : model rubber roller material 100% silicone dimension per drawing or request color more than 30 colors or per request hardness shore 30a~ 70a temperature up to 200â°c hub material aluminum, steel, sintered bronze, brass, bearing, many plastics bearing choices ball, needle, sintered bronze, plastic moq 1000 pcs price based on dimension & qty warranty 6 months ~ 12 months.