The present invention relates to a side reinforcing rubber composition for run flat tires, containing a rubber component; a filler containing a carbon black A having a nitrogen adsorption specific surface area of 20 to 60 m2/g and a carbon black B having a nitrogen adsorption specific surface area of 100 to 150 m2/g, a ratio (a/b) of the content a of the carbon black A to the content b of the carbon black B being 2.7 to 10; a vulcanizing agent; and a vulcanization accelerator, the side reinforcing rubber composition for run flat tires being able to produce a side reinforcing rubber for run flat tires capable of enhancing the run flat durability.
SIDE REINFORCEMENT RUBBER COMPOSITION FOR RUN-FLAT TIRE, SIDE REINFORCEMENT RUBBER FOR RUN-FLAT TIRE, AND RUN-FLAT TIRE
2021-06-03
Patent
Electronic Resource
English
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