Pneumatic tire
DRIVE
March 6, 2013
A pneumatic tire comprising a tread, the tread comprising a tread cap layer (2), a tread base layer (4), and a tread underlayer (3) disposed between the tread cap layer (2) and the tread base layer (4) is disclosed. The tread cap layer (2) comprises a rubber composition comprising 100 part by weight, per 100 parts by weight of rubber (phr) of a rubber comprising from 52 to 64 phr of a polyisoprene rubber, from 22 to 27 phr of a polybutadiene rubber, and from 13 to 21 phr of a styrenebutadiene rubber; and 47 to 57 phr of carbon black. The tread underlayer (3) comprises a rubber composition comprising 100 phr of a rubber comprising from 71 to 86 phr of a polyisoprene rubber and from 14 to 29 phr of a polybutadiene rubber; from 19 to 23 phr of silica; and from 29 to 36 phr of carbon black.
Discussion in the ATmosphere