| 摘要 |
<p>A two-piece golf ball comprising of a core formed of a rubber composition containing a base rubber, a co-crosslinking agent, and an organic peroxide, and a cover covering the core, characterized in that: the core has the following hardness distribution according to JIS - C type hardness meter readings: (1) hardness at centre : 58 - 73 (2) hardness 5 to 10 mm from centre : 65 - 75 (3) hardness 15 mm from centre : 74 - 82 (4) surface hardness : 76 - 84 (wherein hardness (2) is generally constant within the range shown, with a variation range of +/-3, and satisfies the relation (1)<(2)<(3)</=(4), and the core has a compression deflection of 3.5 to 4.3 mm when a load range of initial 10 kg to final 130 kg is applied, the cover having a thickness of 2.1 to 2.8 mm.</p> |
