Rubber-Cal's General Purpose Rubber is a durable and versatile sheet elastomer that can be used for a vast range of industrial, commercial, and residential applications. This industrial rubber product is black in color and is specially designed for physically-demanding conditions that require an elastic and protective material. Made from a reliable synthetic rubber called Styrene Butadiene Rubber (SBR), this hard rubber sheet exhibits many physical resistances, comfortably withstanding abrasions, impacts, and moisture. SBR is a heavy-duty, solid elastomer, known for its intense durability and protective capabilities. The tough black rubber sheeting is excellent for absorbing potentially harmful movements, dampening their impacts on sub-surfaces, as well as absorbing vibrations to insulate sound. SBR is also the perfect rubber for traction-oriented applications, as the material naturally demonstrates a high level of grip. The durometer, or hardness rating, of this smooth rubber is classified as 60 Shore A, meaning that it has a mid-range hardness with a reasonable degree of flexibility and a moderately-strong resistance to indentation. A rubber sheet with a 60A durometer is versatile and is best suited for applications that require a hard yet pliable material. This high-quality rubber product is available in 5 different gauges and in a wide selection of different lengths and widths, making it the perfect rubber material for a DIY project of any kind.