RUBBER COMPOSITION AND TIRE
DRIVE
April 9, 2026
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 has an amount of chloroform-extractable matter by Soxhlet extraction of 15 to 30 mass %, the chloroform-extractable matter contains an oil and a thermoplastic resin, and the reclaimed rubber has a toluene solubility of 25 mass % or more.
Discussion in the ATmosphere