▎ 摘　　要

NOVELTY - High temperature electric heating slurry comprises solvent and component dispersed in the solvent, the components comprises 5-15 pts. wt. low-defect graphene, 4-18 pts. wt. boron nitride, and 3-13 pts. wt. high temperature curing agent , 4-20 pts. wt. ceramic oxide, the Raman spectrum of the low-defect graphene powder, the ratio of the D peak intensity and the G peak intensity is not greater than 1/10, the carbon oxygen molar ratio in the low defect graphene is not less than 20:1, the high temperature resistant curing agent comprises phosphoric acid and aluminum dihydrogen phosphate, the ceramic oxide is aluminum oxide and silicon oxide. USE - Used as high temperature electric heating slurry. ADVANTAGE - The electric heating has more than 400℃ of high temperature working for more than 3000 hours and the requirement of high temperature satisfy heating material. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for a method for preparing high temperature electric heating slurry comprising the low defect graphene, the boron nitride, the ceramic oxide and the solvent for blending, grinding, adding the high temperature resistant curing agent, mixing to obtain; electric infrared heating film is obtained by coating and curing the high temperature electric heating slurry; and a method preparing electric infrared heating film comprises coating the high temperature electric heating slurry on the base material, drying and shaping at 40-70℃, heating to 150-300℃ for 0.3-1 hours, heating to 400-600℃ for 0.5-2 hours for sintering.