| abstract |
The present invention relates to a rubber composition for a tire tread comprising rubber components comprising 70 mass % or more of natural rubber, at least one selected from the group consisting of zinc oxide, a fatty acid, and a fatty acid zinc in a total amount of 2 parts by mass or more and less than 13 parts by mass relative to 100 parts by mass of the rubber components, a filler comprising carbon black, and a carbon black dispersant, wherein a vulcanized rubber of the rubber composition has an integrated value of white areas with a particle size of 32 μm or more, of 15% or less of the integrated value of white areas with a particle size of 3 to 57 μm, in measurement of a cross section using a dispergrader in accordance with ASTM D7723. |