| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a solid ball which is excellent in hitting touch and spinning performance while excellent in flying performance (repulsiveness). SOLUTION: In this golf ball, a core is made of a rubber composition which contains 20-40 wt.% of an unsaturated carbonate metal salt with the average particle size of 5.0μm or less blended into 100 wt.% of a base material rubber containing a polybutadiene rubber having cis 1,4-bond more than 40% while a cover is made of a resin composition with a Shore D hardness of 65 or less which comprises an ionomer resin and a diene based rubber and has the diene based rubber dispersed in the ionomer resin.</p> |
