A rubber composition comprising a diene-based rubber, a filler, an oil, and water-soluble cellulose. It is preferrable that the rubber composition comprises 1 to 25 parts by mass of the water-soluble cellulose per 100 parts by mass of the diene-based rubbe...

Provided is a rubber composition containing an unvulcanized rubber component and 0.1 to 30 parts by mass of a reclaimed rubber containing a styrene-butadiene rubber relative to 100 parts by mass of the unvulcanized rubber component. The reclaimed rubber ha...

A rubber composition according to an embodiment contains a diene rubber, silica, a plant-derived glyceryl oleate, and a mineral oil that is an optional component. The glyceryl oleate includes glyceryl monooleate as a part thereof. The mineral oil (includin...