| 摘要 |
A golf ball, a golf ball core and a method for making a golf ball and a golf ball core, using an admixture of polybutadiene, a zinc diacrylate cross-linker, and a calcium oxide that is substantially free of zinc oxide. When zinc oxide, typically used in golf ball cores, is eliminated or at least substantially reduced from a golf ball core composition, and calcium oxide is added, the golf balls and golf ball cores formed from such an admixture exhibit reduced PGA compression when compared to cores and balls containing zinc oxide, while maintaining the initial velocity of the standard higher compression cores and balls.
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