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Exceptionally responsive and lively with added power from a sea + island structure

For players of all swing speeds looking for a highly-responsive string with added speed

Plasma Bonding

FRF Process & Plasma Bonding

The REXIS string provides improved power, repulsion, and durability from the innovative FRF (Fusion of Resin Filament) production process. Upgraded at the molecular level for greater elasticity, the super-solid REXIS string structure is produced by filling the gaps of ordinary multifilament string with the new, more flexible material, FORTIMO. FORTIMO is developed by Mitsui Chemicals, Inc. Resin is bonded to nylon filaments by plasma on a molecular level to improve repulsion and durability.

FORTIMO

The FORTIMOTMpolyurethane material combines flex, repulsion, and durability while maintaining a brilliant white color due to its non-yellowing properties.

FRF

FRF Process & Plasma Bonding

The REXIS string provides improved power, repulsion, and durability from the innovative FRF (Fusion of Resin Filament) production process. Upgraded at the molecular level for greater elasticity, the super-solid REXIS string structure is produced by filling the gaps of ordinary multifilament string with the new, more flexible material, FORTIMO. FORTIMO is developed by Mitsui Chemicals, Inc. Resin is bonded to nylon filaments by plasma on a molecular level to improve repulsion and durability.