What Is the “Cake Sponge” in Table Tennis Rubber?
What Is the “Cake Sponge” in Table Tennis Rubber?🧩 1. Structure: Why “Cake”?In table tennis rubber, sandswiched between the topsheet and blade, the sponge layer comes in various forms. The term “cake sponge” refers to a sponge with larger, porous bubbles, resembling the airy texture of a cake — hence the name. As one forum […]
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