| 摘要 |
A rubber composition excellent in air permeation resistance and improved in flexure failure resistance, and a weight-saving pneumatic tire excellent in air permeation resistance and improved in flexure failure resistance in which the rubber composition is used as the inner liner therein is provided. The rubber composition contains, relative to 100 parts by mass of the rubber ingredient (A) therein, from 1 to 9 parts by mass of carbon black (B) and from 80 to 150 parts by mass of a layered or platy clay mineral (C). |
