To provide a golf ball which has weatherability and prevents color change, has reassuring and psychologically calming effect on a golfer during play, and has suitable feel.
The golf ball is two-piece structure composed of a core and a cover, the surface of the ball is coated with a coating comprising a pearlescent pigment, and the ball satisfies the following conditions (i-viii): (i) a color difference ΔE* between the core and the ball of at least 30; (ii) the core has a transparency which is up to 10% in terms of total transmittance and up to 1.0% in terms of parallel transmittance; (iii) the core has a lightness L* value, expressed in the L*a*b* color system based on JIS Z8729, of at least 82; (iv) the ball has a lightness L* value of at least 50; (v) the lightness L* value of the ball≤the lightness L* value of the core; (vi) the cover has a thickness of from 0.1 to 2.1 mm; (vii) the cover has a transparency which is at least 50% in terms of total transmittance and at least 1.0% in terms of parallel transmittance; and (viii) the cover has a haze (H), mentioned in JIS K7105 (1981), of up to 98.
NASU DAISHI
JPS58218977A | 1983-12-20 | |||
JPS6088567A | 1985-05-18 | |||
JP2007021205A | 2007-02-01 | |||
JP2010012250A | 2010-01-21 |
Saori Shigematsu
Katsunari Kobayashi
Takeshi Ishikawa
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