The rubber composition and the roll molded article using the rubber composition

The rubber composition of the present invention, ethylene - propylene - diene copolymer rubber vulcanizing agent, carbon black, it is anti-aging agent is blended, an ethylene - propylene - Mooney viscosity of the diene copolymer rubber is not less than 80, and the arithmetic average particle diameter of the carbon black is 25nm or less, anti-aging agent is a benzimidazole-based compound.