Part 7: Size and Roundess
1. What the ITTF test for 0:08
- size conformity and regularity
- sphericity conformity and regularity
2. How our tests were done 1:01
3. Our results
- size conformity and regularity 1:48
- sphericity conformity and regularity 3:32
4. Conclusions 4:51

How similar, or identical does the plastic table tennis ball play compared to the celluloid ball? Although we test Joola's Super P 40+ plastic ball using Technical Leaflet T3 as a guideline, our observations and conclusions apply equally to all two piece plastic balls.

In this 11 part video series, Preston Table Tennis Association conducted random sample testing of Joola's Super-P 40+ plastic ball and for comparison purposes, Joola's Super 40 celluid ball using the same guidelines the ITTF use, Technical Leaflet T3 - The Ball.

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