▎ 摘　　要

NOVELTY - Durable sealing filler comprises 40-50 pts. wt. polytetrafluoroethylene suspension micro-powder, 20-30 pts. wt. acrylonitrile resin, 10-20 pts. wt. graphene nano-powder, 1-2 pts. wt. organosilicone oil, 3-5 pts. wt. fluorinated polymer, 3-5 pts. wt. cellophane, 5-10 pts. wt. gelling agent, 10-20 pts. wt. filling agent, 2-5 pts. wt. toner additive and 5-10 pts. wt. plasticizer. USE - Used as durable sealing filler. ADVANTAGE - The sealing filler: has better superplasticity during use, avoids large abrasion due to the entry of impurities, and has high tensile strength and long service life; has a low coefficient of friction and has a good self-lubricating function when in use; and has better air tightness; and can avoids corrosion due to contact with air, and further guarantee its service life. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the durable sealing filler comprising (1) firstly cutting the cellophane into fiber yarns, dispersing them in water, making the fiber yarn bond through papermaking adhesive, and allowing to stand; (2) mixing polytetrafluoroethylene suspension micro-powder, acrylonitrile resin, fluorinated polymer, graphene nano-powder and filling agent, stirring at high speed, adding silicone oil, adding the previously prepared cellophane fiber and mixing; (3) adding the gelling agent and plasticizer to the mixture obtained in the step (2), and fully stirring; (4) adding the toner additive to the mixture obtained in the step (3), stirring and heating, the heating temperature is less than or equal to 90 degrees C; (5) using a dryer to dry the mixture moisture, and placing the dried material in the mold under the punching machine to press into a plate shape; and (6) according to the requirements, cutting the material into strips, pressing by pressing rollers to make the thickness reach the specified size, and trimming.