Zitat:
Zitat von Mighty
Hi Adham
You wrote in this forum:
What kind of device is used at the Racket Control room at ITTF events to check the friction level?
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Normally, if the rubber used has the ITTF logo and appears on the list of authorized rubbers then it is accepted. However, if it appears to have been treated, then the racket controller has a sample of 3 friction levels and compares, if it is OK, or close, then no problem, if there is still doubt, then they use a mechanical test with an incline. But frankly, this very rarely happens at ITTF events because there are no treated pimpled rubbers. It may happen once in a rare while. In general we rely on the testing in the laboratory to ensure that the rubber meets the friction requirement, then we expect that the manufacturer adheres to the ITTF rules, and we expect the players also to adhere to the ITTF rules and not post-treat the rubber.