Polyurethane film handily outperforms many other common polymers when it comes to abrasion resistance. Five times more resistant than natural rubber, the material is of choice of wearproducts.
聚氨酯薄膜的耐磨性胜过许多其他常见的聚合物。较天然橡胶耐磨五倍以上，是耐磨制品的首选材料之一。
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"Nothing lives for ever!" However, in this statement we think of artificially produced, technical objects, products which are subjected to natural wear and tear during use.