... wheel, active PU wheel (driver PU wheel), PU core turning wheels, polyurethane set brake wheel, polyurethane screw brake wheel, polyurethane scaffolding ... rubberTPU= High strength polyurethaneCPP= Wear-resisting polypropyleneAPU= Wear-resisting polyurethanePQ= phenolic aldehydeRU=rubberPPA= Super nylon Caster diameter mmCaster width mmmaterialBearingLoadingkgLoad heightmm10045 ...