Casters use of the material have?

Polyurethane、Cast iron Cast steel 、Acrylonitrile-butadiene rubber caster(NBR)、Butadieneacrylonitrile rubber、Natural rubber roller、Silicon and fluorine rubber roller、Neoprene roller、Butyl rubber roller、silicon rubber（SILICOME）、Epdm rubber wheel（EPDM）、Fluorine rubber roller（VITON）、hydrogenated nitrilebutadiene rubber（HNBR）、Polyurethane rubber wheel、Rubber plastic、PU Rubber plastic、Ptfe rubber wheel、Nylon gear，Gather formaldehyde rubber wheel、PEEK rubber wheel、PA66 Gear,POM Rubber wheel、Engineering plastics（like High strength performance PPS tube,PEEK tube etc.)