Is sandal rubber bottom good or polyurethane good?
Because rubber is a high molecular compound. Therefore, the sole has high elasticity, high wear resistance, can undergo repeated bending, stretching, compression without damage. It also has acid and alkali resistance, so it is suitable for wearing in rainy days. Like our boots is rubber shoes. The advantage of natural rubber is that it is very soft, elastic, excellent and suitable for all kinds of sports, but the disadvantages are also obvious, that is, it is very hard to wear. Indoor sports shoes, multi-purpose natural rubber. Synthetic rubber is also divided into wear-resistant rubber, environmental protection rubber, air rubber, viscous rubber, hard rubber, carbon rubber.
Rubber material itself poor ventilation, long wearing easily lead to beriberi. And summer rains, if the rain does not drain, will add story.
Overall, the bottom and bottom of polyurethane rubber polyurethane rubber bottom bottom than everyone has his hobby, more wear and more folding, but lighter than polyurethane rubber bottom bottom.
