These Neoprene rubber rolls have a durometer of 55-65 These Neoprene rubber rolls have a durometer of 55-65 These Neoprene rubber rolls have a durometer of 55-65 Neoprene rolls weigh 2.25lbs per square foot in 1/4" inch thick Available in 8 thicknesses (1/16", 1/8", 3/16", 1/4", 3/8", 1/2", 3/4", 1") Black Neoprene rubber with minimum tensile strength of 725 PSI (5 MPA) Ideal as neoprene pads, neoprene gasket material, neoprene seals & neoprene strips Industrial Neoprene is a blend of SBR (Styrene Butadiene Rubber), CR (Neoprene) and NBR (Nitrile) rubbers. It is moderately oil and ozone resistant, for use as bumpers, pads, sealing and general gasket applications. Neoprene sheets are the most popular and used industrial rubber sheet due to its all-around excellent qualities. Neoprene could be used in almost any application that a rubber part maybe needed. Neoprene is also available in a denser and stiffer version. This black neoprene rubber sheet is water resistant.