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Polyester.

Polyester tennis strings break down faster than gut or nylon. Explore durability data, spin potential, and best-case scenarios for synthetic string players.

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Strings ·5 min · June 2026

Why Does My Polyester String Feel Dead After Two Weeks? A Look at What Actually Happens

You strung a fresh set of polyester, hit beautifully for a few sessions, and then somewhere around the two-week mark the racquet started feeling like a frying pan — stiff, lifeless, the ball flying…