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I was browsing around on a few Korean websites, and found this. A new rubber from Butterfly, called "Proudo44 P.I.".
Apparently, this was created for the large ball. In this case, the "large ball" does not refer to the typical 40mm ball (2.7g), but to a 44mm ball (2.4g). These larger balls are thinner and also slower, so the idea behind it is that it will be easier for beginners to play and rally. I have seen Butterfly and Nittaku producing these 44mm balls.
Back to the rubber, the Proudo44 P.I is supposed to have the springe sponge technology with a hardness of 28 (on the Butterfly scale). It supposed to be very light and supports easier access to spin for both 40mm and 44mm balls. According to Butterfly's explanation, this is a key point, since the usual harder rubber that are popular nowadays do not harmonize well with the 44mm balls. So beginners can just use Proudo44 P.I. and swap back and forth between 40mm and 44mm balls without a problem.
Some stats (assuming play with the 44mm ball):
- Speed: 65
- Spin: 66
- Arc: 65
- Thickness: 2,1mm
- Price: 70000 Won (this is currently 46€ or 48$)
I attached some pictures as well.
Cheers
Apparently, this was created for the large ball. In this case, the "large ball" does not refer to the typical 40mm ball (2.7g), but to a 44mm ball (2.4g). These larger balls are thinner and also slower, so the idea behind it is that it will be easier for beginners to play and rally. I have seen Butterfly and Nittaku producing these 44mm balls.
Back to the rubber, the Proudo44 P.I is supposed to have the springe sponge technology with a hardness of 28 (on the Butterfly scale). It supposed to be very light and supports easier access to spin for both 40mm and 44mm balls. According to Butterfly's explanation, this is a key point, since the usual harder rubber that are popular nowadays do not harmonize well with the 44mm balls. So beginners can just use Proudo44 P.I. and swap back and forth between 40mm and 44mm balls without a problem.
Some stats (assuming play with the 44mm ball):
- Speed: 65
- Spin: 66
- Arc: 65
- Thickness: 2,1mm
- Price: 70000 Won (this is currently 46€ or 48$)
I attached some pictures as well.
Cheers