▎ 摘　　要

NOVELTY - Rubber composition comprises 1-20 pts. wt. sodium sulfate absorbed graphene. USE - The composition is useful in tire tread (claimed). ADVANTAGE - The composition has excellent physical and mechanical properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for producing rubber composition, comprises (a) crushing graphene, (b) oxidizing crushed graphene with acidic aqueous solution, and (c) obtaining sodium sulfate absorbed graphene by adding sodium polysulfite mixture into acidic aqueous solution.