| abstract |
The present invention provides a one-piece solid golf ball or a two or more piece solid golf ball which comprises an inner core and a cover covering the inner core. The one-piece solid golf ball is formed from a rubber composition which comprises: a base rubber, vulcanized rubber powder, and a vulcanizing agent. The two or more piece solid golf ball comprises an inner core and a cover covering the inner core, the inner core being composed of either one uniform rubber material or a combination of a center and one or more outer layers disposed over the center, wherein one or more rubber portions of the inner core are formed from a rubber composition comprising: a base rubber, vulcanized rubber powder, and a vulcanizing agent. |