... fax machines, scanners, printers,copiers, check writers, cash registers, laminators and bar cording machines….etcraised rollerCHARACTERISTICSMaterial Silicone, EPDM, NBR or CR ... .Hardness15° ~ 90° Shore ALength 5.00mm ~ 700mmCoeffient0.4 ~1.5µOutside diameter3.5mm ~ 100mmRun out 0.015mm ~ 0.050mmColorsas required rubber coated roller