| abstract |
Provided is a composition for vulcanized rubbers having satisfactory on-ice performance and excellent wear resistance.　This composition is characterized by comprising a rubber component including natural rubber, a cyclic polyol compound having a hydrocarbyl group, and a liquid polymer having a weight-average molecular weight, as determined by gel permeation chromatography, of 5,000 or higher but lower than 40,000 in terms of polystyrene. |