Equipment
Good day PingSkills. When the celluloid ball was used, the rule was the ball shall bounce up 24–26 cm (9.4–10.2 in) when dropped from a height of 30.5 cm (12.0 in). Since the change to the plastic ball, has the rule changed? I'm asking, because I'm noticing a big difference in bounce for the DHS plastic balls compared to the other plastic balls like the Xushaofa plastic ball.
Hi Wilburne,
Take a look at this document.
https://www.ittf.com/wp-content/uploads/2018/07/T3_Ball_BoD2018.pdf
It states that in section B.7 Bounce Conformity
All 24 balls must rebound to a height of not less than 240mm and not more than 260mm when dropped from a height of 305mm on to a standard steel block.
For non-celluloid balls all 24 balls must rebound to a height of not less than 240mm and not more than 265mm when dropped from a height of 305mm to a standard steel block.
Should you use a protective film to cover your rubber and add protection
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