| 摘要 |
The present invention provides a solid golf ball having good shot feel, excellent flight performance and excellent durability. The present invention relates to a solid golf ball comprising one or more layers of core, and one or more layers of cover formed on the core, whereinthe inmost core layer is formed from a vulcanized molded article of a rubber composition comprising 20 to 40 parts by weight of alpha,beta-unsaturated carboxylic acid or metal salt thereof, 0.3 to 1.8 parts by weight of a vulcanization initiator, 0.1 to 5 parts by weight of an organic sulfide compound, based on 100 parts by weight of a base rubber, and has a trans-structure content after vulcanization of 10 to 50%, andthe core has a rate of (B-A)/A of not less than 15%, wherein A is a center hardness in JIS-C hardness of the core and B is a surface hardness in JIS-C hardness of the core.
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