We use polyether, rather than polyester, it has excellent hydrolytic stability.
Resistant to oil and grease
Medium Duty Caster 314 / 414 / 514 PU Caster (click the picture for more information)
Dia.：75mm (3") / 100mm (4") / 125mm (5")
Dynamic Load：100 KG
PU Pallet Truck's Wheel (click the picture for more information)
Dia.：80mm Width：70mm With one bearing：6204 (outside：47mm、inside：20mm)
PU Industrial Wheel (customized)