▎ 摘　　要

NOVELTY - A packaging material comprises 95-99 wt.% polyamide resin, 0.1-0.5 wt.% conductive carbon black, 0.2-1 wt.% nano graphene sheets and 1-1.5 wt.% lubricating dispersant. USE - Packaging material. ADVANTAGE - The packaging material improves mechanical properties, oxidation resistance, acid and alkali resistance, electrical conductivity and thermal conductivity of the overall composite material substrate.