Wheel Chocks: Erethane vs Rubber

A Comparison of Urethane Chocks Versus Rubber Chocks. Checkers began developing and testing urethane chocks in the late 1980s with a significant investment requiring extensive engineering and design. Testing initially included the comparison of the new urethane products against chocks made of various materials, including both metal and wood, as well as the more commonly utilised rubber.  

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