Patent ID: 6899639

Claim:
A golf ball comprising: a core formed of a high cis-1,4 content polybutadiene, 26 to 32 parts by weight of a co-crosslinking agent, 3 to 5 parts by weight of a metal oxide activator, 0.8 to 1.5 phr of a free-radical initiator, and a first predetermined amount of inorganic fillers sufficient to produce a specific gravity of the core within the range of 1.12 to 1.13; and a cover layer formed of a blend of at least first and second ionomers, and a second predetermined amount of inorganic fillers sufficient to produce a specific gravity of the cover layer with the range of 1.115 to 1.134, the cover having a hardness of 56 to 63 on a Shore D Hardness Scale, and a thickness of 0.060 to 0.85 inches, the ball having a weight of between 45.0 and 45.93 grams, and the ball having a deflection within a range of 0.090 and 0.105 inches under an applied load of 200 lbs.