BODY PLY SKIM AND/OR INNERLINER HIGH IMPERMEABILITY COMPOUND

An innerliner and/or body ply skim rubber compound comprising at least: - a cross-linkable unsaturated chain polymer base, - a filler system, and - a vulcanization system; [0002] The filler system comprises, for at least 50% by weight, a mixture of at least three different types of carbon black comprising a first carbon black with a surface area of between 25 and 40 m/g, a second carbon black with a surface area of between 70 and 90 m/g and a third carbon black with a surface area of between 800 and 1200 m/g.