| 摘要 |
The present invention is a golf club head having a club head body with a recess and an insert therein. The insert is composed of a thermoset polyurethane material having a shore D hardness in the range of 42 to 55, and a Bayshore rebound in the range of 51 to 60. The preferred thermoset polyurethane material is formed from a p-phenylene diisocyanate prepolymer and a curing agent. The golf club head is preferably a putter club head, however, it may be a wood club head or an iron club head. The particular thermoset polyurethane provides a soft striking face for feel and a good rebound for distance.
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