▎ 摘　　要

NOVELTY - High-temperature resistance PTC electric conduction composite material comprises 54-66 wt.% organic polymer, 13.9-17.1 wt.% inorganic filler, 7-9 wt.% carbon black XC-72, 10-14 wt.% HAF, 3-4 wt.% graphene, and 0.3-0.7 wt.% processing auxiliary agent. USE - Used as high-temperature resistance PTC electric conduction composite material. ADVANTAGE - The composite material: achieves the requirements of high-temperature heating process; has no problem of excessive attenuation rate; and has lasting reliability.