| abstract |
Disclosed herein is a pneumatic tire suitable for running on snow and ice roads, a tread portion of which consists of a rubber composition comprising 0-60 parts by weight of a petroleum softener and 5-35 parts by weight of a low-temperature ester type plasticizer based on 100 parts by weight of a rubber blend consisting of 30-95 parts by weight of at least one rubber selected from the group consisting of natural rubber, polyisoprene rubber and styrene-butadiene copolymer rubber, 0-50 parts by weight of polybutadiene rubber, and 5-30 parts by weight of butyl rubber or halogenated butyl rubber. |