What are the production materials for casters?

The main materials that can be achieved by casters are: polyurethane, cast iron cast steel, nitrile rubber rubber wheel (NBR), nitrile rubber, natural rubber rubber wheel, silicone rubber rubber wheel, neoprene rubber wheel, butyl rubber. Rubber wheel, silicone rubber (SILICOME), EPDM rubber, fluoro rubber rubber wheel (VITON), hydrogenated nitrile (HNBR), polyurethane rubber wheel, rubber plastic, PU rubber wheel, poly Tetrafluoroethylene rubber wheel (PTFE processing parts), nylon gear, polyacetal rubber wheel, PEEK rubber wheel, PA66 gear, POM rubber wheel, engineering plastic parts (such as high-strength PPS pipe, PEEK pipe, etc.).