| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a sandwich rubber for a table tennis racket having good properties such as strengths, bounce, and durability, and satisfactory productivity. <P>SOLUTION: The table tennis racket 1 includes a racket body 3 and a rubber sheet 7. The rubber sheet 7 is laminated with the sandwich rubber 9 and a solid rubber 11. The sandwich rubber 9 is composed of a polymer molded body including air bubbles, and the polymer molded body includes 5-25 parts of carbon black or silica as a reinforcing filler based on 100 parts of polymer. Preferably, 8-22 parts of the carbon black or silica is blended based on 100 parts of the polymer. Preferably, the total amount of the reinforcing filler has 25 parts or less based on 100 parts of the polymer. <P>COPYRIGHT: (C)2004,JPO</p> |
