Mold PU on iron core wheel is made of polyurethane tread and cast iron core, which is super durable and strong. Polyurethane(PU) caster has excellent capable of long service under heavy loads and can resists oil, grease, water and industrial solvents. This kind of wheels is a truly versatile type, for they can be used on virtually any floor surface. Polyurethane wheels also deaden sound with the floor-protecting qualities of rubber. Their non-marking, non-staining qualities combine with their resistance to impact, shock and abrasion make PU casters more cost-efficient.
