According to the butterfly website, Rozena uses "high-tension" technology, which is the same thing as tensor technology. Andro has a patent on the name "tensor" but every EuroJap company uses the same technology on almost all of their rubbers, including Rozena.
Details ROZENA is a ground-breaking rubber that incorporates high levels of speed and spin, while simultaneously making High Tension rubber accessible to the masses. Rozena is a versatile rubber that lends itself to a variety of playing styles. This is a rubber sheet that has high tolerance...
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Not professionals for sure, but it suits many players in the 2000+ range. I know a 2370 rated player who uses Rozena on both sides.
1. Totally agree
2. Fair enough, but there are better and worse choices that one could make as a beginner. I think there are good reasons for beginners to avoid Rozena, and so does my coach who played in the 2000 olympics. At the end of the day, you can still learn with Rozena. I wouldn't trip over myself or cancel orders just to get Rozena, though.
Yeah this is a good reason to steer clear of Butterfly in general unless you have money to burn. You can get Hurricane 3 or Battle II or Rxton 5 for much cheaper.