| 摘要 |
PURPOSE: Provided is a rubber composition having improved blow-out, which includes sulfur, N-t-butyl-2-benzothiazole sulfenamide, carbon black, and etc., therefore, it has a high strength and can minimize the generation of heat. CONSTITUTION: The rubber composition includes 100phr of raw rubber, 5-6phr of the sulfur, 1.5-2phr of the N-t-butyl-2-benzothiazole sulfenamide, 70-80phr of the carbon black, 1.5-2phr of 1,3-bis(citracoimidomethyl)benzene (perkalink 900), and 3-4phr of A73A, wherein the carbon black has an iodine adsorption of 17-20g/kg and a DBP oil absorption amount of 115-130cm¬3/100 and the A73A is a mixture salt of aliphatic zinc soap and aromatic carboxylic acid.
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