▎ 摘　　要

NOVELTY - Gasket comprises 80-100 pts. wt. polytetrafluoroethylene, 8-10 pts. wt. graphene, 5-8 pts. wt. paraffin, 1-3 pts. wt. silica, 15-26 pts. wt. ethanol, 12-18 pts. wt. polyurethane, 3-6 pts. wt. antioxidant, 5-7 pts. wt. sodium sulfate and 0.5-1 pts. wt. melamine. USE - The gasket is useful for mechanical chassis (claimed). ADVANTAGE - The gasket: has excellent leak tightness and improved service life; and is more safe. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation of gasket, comprising mixing the above components, and carrying vulcanization molding to obtain final product.