250 860 250 610 250 780 320 600elongation set 5 10 6 15 10 10 6 15relative concentration of 1 3 0 7 1 3 0 6 1 2 0 6 1 3 0 6chain v sub rel u00d7 10 sup 4 mole cm sup 3 __________________________________________________________________________ the above examples are illustrative of the versatility and effectiveness of the process of the present invention to provide recycled rubber compounds from used natural rubber synthetic rubber vulcanisates and combinations of natural and synthetic rubber vulcanisates the resultant reclaimed rubber compounds display satisfactory level of physical and dynamic characteristics such compounds can be directly used in moulded goods or in admixture with fresh compounds examples of such goods which have been made using reclaimed elastomer in conventional methods of moulding and vulcanisation are tires mats carpet underlays electrical insulation layers industrial tires tubings and retreads the masterbatching process can be further refined with use of stirene butadiene rubber in place of natural rubber with careful control of the delink incorporation process the milling process and temperature during mastication the resultant physical and dynamic characteristics of the final reclaimed compound from tire and glove wastes can be further enhanced the following examples illustrate some cases where mbt is replaced with other accelerators ______________________________________1 benzothiazyl disulphide mbts 27 82 zinc diethyldithiocarbamate zdec 7 63 stearic acid 5 14 zinc oxide 2 5______________________________________ then 10 parts of this delink mix are added to 100 parts of tire crumbs and 12 5 parts of.