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Table Tennis - the sport for life.
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Table Tennis - the sport for life.
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That can be a temperature problem, where they either packaged the rubbers before they cooled down, or the temperature when they're made is a lot different to where it's used. Since the top-sheet and sponge have different expansion rates at different temperatures, it will result in a dome (or a re-verse dome).Maybe, but then I had also rubbers that were reverse curled right out of the packet.