| abstract |
(57) Abstract: In a multi-piece golf ball having a core, an intermediate layer, and a cover, the core is formed from a rubber composition to have a diameter of 30 to 40 mm, and the outermost layer of the intermediate layer is formed of an ionomer resin. The core layer is formed to be harder than the hardness of the core part by a resin material containing at least The cover is made of a material in which a silicone rubber powder, a silicone resin powder or a composite powder thereof is mixed and dispersed with a main resin containing an ionomer resin in an amount of 50% by weight or more, and has a thickness of 0.5 to 2.0 mm. The hardness of the cover is greater than the hardness of the outermost layer of the intermediate layer, The hardness difference from the core center is 10 ≦ (Durometer D hardness of cover−Durometer D hardness of core center) ≦ 40. Is a multi-piece golf ball. [Effect] The multi-piece golf ball of the present invention is excellent in resilience, durability and hit feeling. |