| 摘要 |
The present invention relates to a tire tread rubber composition having improved fuel efficiency and braking performance and, more specifically, to a tire tread rubber composition which improves fuel efficiency and braking performance as well as wear resistance by including silica and aluminum hydroxide at the predetermined content ratio as a filler in a rubber component including styrene-butadiene rubber (SBR), butyl rubber (IIR) and natural rubber (NR) at the predetermined content ratio. |
