| 摘要 |
A thread rubber exhibiting good impact resilience and reduced in breakage during a winding step, and a golf ball employing such thread rubber are provided. The thread rubber composition for a golf ball has 0.5-7.0 parts by weight of sulfur and 0.5-5.0 parts by weight of vulcanization accelerator blended with respect to 100 parts by weight of a rubber component including either one of polyisoprene rubber, natural rubber and polybutadiene rubber, or a mixture thereof. The rubber component has a cis-1, 4 bond content of from 90.0% to 93.8%. The blended amount of the sulfur is made greater than the blended amount of the vulcanization accelerator.
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