| abstract |
The present invention relates to a rubber composition, usable in the vulcanized state as a safety support (1) intended to be mounted on a wheel rim inside a tire casing, such support (1) being able to support a tread of said casing in the event of a drop in inflation pressure, and a mounted assembly comprising this support (1). A rubber composition according to the invention is such that it comprises (pce: parts by weight per 100 parts diene elastomer (s)): - natural rubber or synthetic polyisoprene, in an amount equal to or greater than 60 phr, - more than 60 phr of a reinforcing white filler, and- from 3 to 8 phr sulfur. |