RUBBER COMPOSITION FOR SIDEWALL AND TIRE HAVING SIDEWALL OBTAINED FROM THE SAME

摘要

There is provided a rubber composition for a sidewall, use of which makes it possible to consider an effect on environment, prepare for decrease in petroleum supply in future and further improve tear strength, flex crack growth resistance and weather resistance. The rubber composition comprises 15 to 120 parts by weight of a white filler and 5 to 50 parts by weight of graphite having an average particle diameter of 3 to 50 µm on the basis of 100 parts by weight of a rubber component comprising a natural rubber in an amount of not less than 30 % by weight.