| abstract |
A rubber composition for an inner liner capable of improving air permeation resistance and heat generation is provided. The butyl rubber contains 20 to 60% by weight and at least one diene rubber selected from the group consisting of natural rubber and / or isoprene rubber, epoxidized natural rubber and butadiene rubber. 10 to 50 parts by weight of mica having an average particle diameter of 25 to 100 μm and an aspect ratio of 25 to 100, 2 to 30 parts by weight of carbon black, and 5 to 45 parts by weight of silica with respect to 100 parts by weight of the rubber component And a rubber composition for an inner liner having a total content of carbon black and silica of 20 to 47 parts by weight, and a total content of mica, carbon black and silica of 30 to 80 parts by weight, and A tire having an inner liner used. [Selection figure] None |