▎ 摘 要
NOVELTY - An antibacterial double-layer graphene bi-tube comprises high density polyethylene (HDPE) resin outer layer, and low density polyethylene (LDPE) resin inner layer with nano-silver particle modified carbon nano tube (0.01-10%). USE - An antibacterial double-layer graphene bi-tube (claimed). ADVANTAGE - The tube is convenient, reliable and safe to use, has good toughness and strong impact resistance and has low cost.