| 摘要 |
<p>PURPOSE:To sustain the external beauty of a painted golf ball, in particular, a painted golf ball coated with yellow enamel, for a long time so as to enhance the commercial value thereof. CONSTITUTION:A painted golf ball coated over its outer surface with yellow enamel having an enamel coating film with (b) value of greater than 30 with respect to Lab-pigment, measured by a color-difference meter is provided, where the difference of (b) before and after the coating of the enamel is less than 15.</p> |
