The factory tuning provides a significant speed boost beyond typical Chinese tacky rubbers. While it may not reach the absolute peak of modern European tensors, it delivers potent pace for aggressive drives and loops, making it notably faster than many traditional counterparts.
Spin
Haifu Blue Whale II (Tuned) excels in spin generation, a hallmark of its tacky Chinese heritage. The grippy topsheet allows for heavy spin on serves and topspin shots. While the tuning might slightly temper the extreme spin potential of a non-tuned, ultra-tacky rubber, it still provides substantial spin for commanding, aggressive play.
Control
Despite its boosted speed, this rubber offers a surprisingly high level of control. This balanced nature and the inherent predictability of many Chinese-style rubbers allow for confident shot placement, effective blocking, and nuanced spin variations, making it suitable for players who like to dictate the rally's pace and texture.
Dwell Time
Dwell time is moderate, typical for a rubber that balances tackiness with boosted speed. It provides sufficient ball contact to impart spin, but the inherent pace and tension of the tuned sponge prevent the ball from sinking too deeply, facilitating quicker offensive transitions.
Tackiness
While categorized as a Chinese tacky rubber, its tackiness is moderate. It provides a grippy surface that effectively aids spin generation without being overly sticky or demanding. This feel can be more accessible and forgiving for players transitioning from European or Japanese rubbers that focus more on grip than outright tack.
Throw Angle
Players report a characteristically high looping arc, which is common for many Chinese rubbers. This combination of tackiness and sponge allows for effective topspin loops that clear the net with a significant trajectory, helping to land balls deep on the table.