| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a solid golf ball comprising a hollow core and a cover layer, especially a golf ball with an excellent feel at the time of hitting, a large inertia moment, a large driving angle at the time of hitting, and an improved distance. SOLUTION: This golf ball comprises a hollow core and a cover layer 3 formed on the core. The hollow core comprises a hollow part 1 whose diameter is 5-30 mm and an outer layer part 2 other than the hollow part 1. In this case, the outer layer part 2 is made of a vulcanized molding of a rubber composition including a base rubber material, a metal salt of unsaturated calboxylic acid, an organic perioxide and a filling material.</p> |
