▎ 摘　　要

NOVELTY - A graphene material comprises 52-77 %mass plastic powder, 4-8 %mass graphene powder and 19-40 %mass aluminum powder. The plastic powder is polybenzimidazole (PBI) plastic. USE - Graphene material for heating device. ADVANTAGE - The graphene material for heating device have high thermal conductivity, high hardness, long service life, and low energy consumption. The device has compact structure and high heating efficiency. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for heating device, which comprises water tank, heating layer and connecting pipe. The water tank is provided with water inlet and water outlet. The water inlet is connected to the water outlet by spiraling inside the water tank. The water outlet connected with heating layer through the connecting pipe. The inside of the heating layer comprises heating material block, and the inside is correspondingly provided with multiple of penetrating heating pipe jacks. Each heating tube is correspondingly inserted in the heating pipe jack, and the two ends are respectively sealed and fixed by sealing side cover and packaging inner plate.