▎ 摘　　要

NOVELTY - Rubber ring washer comprises e.g. 28-38 pts. wt. neoprene, 10-30 pts. wt. 23 type fluorine rubber, 15-28 pts. wt. methyl vinyl silicone rubber, 35-45 pts. wt. modified graphene, 0.8-1.5 pts. wt. nano zinc oxide, 25-45 pts. wt. gas phase white coal black, 5-12 pts. wt. organic montmorillonite, 8-12 pts. wt. lignin, 20-36 pts. wt. white coal black, 20-36 pts. wt. sepiolite, 1-1.8 pts. wt. sulfur, 0.8-1.5 pts. wt. dicumyl peroxide, 0.4-1.1 pts. wt. N,N'-phenylene bismaleimide, 2-5 pts. wt. 2- mercaptobenzothiazole. USE - The rubber ring washer is used for high performance motorcycle engine (claimed). ADVANTAGE - The rubber ring washer has high hardness, heat stability, and excellent aging resistant, and tearing resisting property. DETAILED DESCRIPTION - Rubber ring washer comprises 28-38 pts. wt. neoprene, 10-30 pts. wt. 23 type fluorine rubber, 15-28 pts. wt. methyl vinyl silicone rubber, 35-45 pts. wt. modified graphene, 0.8-1.5 pts. wt. nano zinc oxide, 25-45 pts. wt. gas phase white coal black, 5-12 pts. wt. organic montmorillonite, 8-12 pts. wt. lignin, 20-36 pts. wt. white coal black, 20-36 pts. wt. sepiolite, 1-1.8 pts. wt. sulfur, 0.8-1.5 pts. wt. dicumyl peroxide, 0.4-1.1 pts. wt. N,N'-phenylene bismaleimide, 2-5 pts. wt. 2- mercaptobenzothiazole, 1-4 pts. wt. N-methylene-carboxy-2-benzothiazole sulfenamide, 1-4 pts. wt. stearic acid, 0.2-0.7 pts. wt. disproportionated rosin, and 2-6 pts. wt. antioxidant RD.