Butterfly
Rozena
Offensive- tensor inverted rubber — ITTF approved
ITTF Approved
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Rozena is a High Tension inverted rubber on Butterfly's Spring Sponge with a 35° sponge — the softest sponge among the Spring Sponge rubbers in the current catalog's High Tension line. Butterfly describes it as developed in the pursuit of 'tolerance', and rates it at speed 83, spin 70 and arc 75. In the manufacturer's published upgrade path Rozena is the starting tier: the recommended progression continues to Glayzer (non-adhesive) or Glayzer 09C (sticky), then onward to the Tenergy and Dignics series. Available in 2.1, 1.9 and 1.7 mm; made in Japan.
Speed Class
Performance Profile
Butterfly 2025/26 Catalog
2025-04-01Rubber Specifications
Type
Inverted
Sponge Hardness
35°
Spin Level
High
Tensor
Yes
Tacky
No
Available Thicknesses
1.7, 1.9, 2.1, MAX
Playing Style
allround offensive
Specifications and ITTF approval status are sourced from public databases and may not reflect the most current data. Always verify with the official ITTF equipment database before competition use.
From the manufacturer — Butterfly 2025/26 Catalog
“High performance rubber developed in the pursuit of 'tolerance'”
A rubber with high elasticity; it is created by impacting tension into the rubber molecule.
In Butterfly's published upgrade path (Rozena → Glayzer → Tenergy → Dignics), this product belongs to the Rozena tier.
Spring Sponge
Pursuing ease of deformation and elasticity. The biggest feature of the Spring Sponge is the sensation of 'grabbing' the ball. The sponge, which contains large air bubbles, contracts like a spring and repels the ball. It is an amazing sponge that gives you the feeling of being able to control the rotation and speed as you wish. It was installed in the 'Tenergy' series that was released in 2008, and is still widely supported around the world today.
Sponge thickness guide
Each rubber has a lineup of multiple sponge thicknesses. Thinner sponge = lighter weight, lower bounce, suited for defensive play. Thicker sponge = heavier weight, higher bounce, suited for offensive play.
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