▎ 摘　　要

NOVELTY - A graphene medical rubber comprises rubber, graphene, carbon black and additive in a mass ratio of 100:(0.1-2):30:(0.5-5). USE - Graphene medical rubber used for modifying rubber of rubber masterbatch used for preparing rubber plug (all claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for rubber modification method which involves adding the components of the graphene medical rubber which include rubber, the graphene, the carbon black and additive and kneading.