| abstract |
The invention relates to a rubber composition that can be used as a tread for a winter tyre having a high grip on melting ice, and comprising at least one diene elastomer such as natural rubber and/or a polybutadiene, more than 30 pce of a liquid plasticizer, between 50 and 150 pce of a reinforcing filler such as silica and/or carbon black, and between 5 and 40 pce of magnesium sulphate microparticles. The invention also relates to the use of such a composition for making treads for winter tyres, as well as to the treads and to the tyres themselves. |