Comparison of Anti-skid Performance between TPR Backing 45&TPR Backing 35 TPR material is a new type of environmentally friendly thermoplastic rubber material mixed with SBS as the base material.The 45 TPR backing is our first edition backing.The 35 TPR backing is our use backing now. The 35 TPR backing is softer than 45 TPR backing. As for the anti-slip performance of