| http://www.w3.org/ns/prov#value | - Another aspect of the present invention is a golf ball having a solid core of an elastomeric material having a diameter of between about 1.35-1.70 inches, and a PGA compression of between about 50-80, a boundary layer of a thermoplastic material having a hardness of between about 52-65 Shore D, a flexural modulus of between about 25,000-65,000 psi, and a wall thickness of between about 0.02-0.09 i
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