The results showed that the new MDI-type PU plastic racetrack material had excellent performance,low cost,according with the environment protect and enhancing market competition power.

• 结果表明,新的MDI型塑胶跑道铺装材料既满足了性能要求、又降低了生产成本,同时符合环保需求,提高了MDI型产品的市场竞争力。