sulfur and or a sulfur donor and one or more cure accelerators however other cure systems are also contemplated by the invention examples of suitable sulfur donors and accelerators include but are not limited to tetramethylthiuram disulfide tmtd dipentamethylenethiuram tetrasulfide dptt 2 mercaptobenzothiazole mbt 2 mercaptobenzothiazolate disulfide mbts zinc 2 mercaptobenozothiazolate zmbt zinc diethyldithiocarbamatezinc zdec zinc dibutyldithiocarbamate zdbc dipentamethylenethiuram tetrasulfide dptt and n t butylbenzothiazole 2 sulfanamide tbbs preferably the sulfur and or sulfur donor is used in a range from about 1 phr to about 5 phr the accelerator s are preferably used in a range from about 1 phr to about 5 phr most preferably a cure system comprising a combination of sulfur tmtd dptt zdbc mbts tbbs in a phr concentration ratio of about 1 7 0 5 1 0 0 2 2 0 1 5 is used in addition to the rubbers and the cure system components the blends produced according to the invention may contain various other ingredients in amounts that do not detract from the properties of the resultant blends these ingredients include but are not limited to activators such as zinc oxide and other metal oxides fatty acids such as stearic acid and salts thereof fillers and reinforcers such as carbon black calcium or magnesium carbonate silica aluminum silicates and the like plasticizers and extenders such as dialkyl organic acids.