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TOKYO Powder Industries

2008. At that time, the quality of the American chalk that many climbers were using changed, and at some point the friction deteriorated dramatically. Mitsuo Yamamoto, the founder of Tokyo Powder Industries, who learned that the performance of climbing greatly depends on the performance of chalk, started research on chalk using the space behind the wall (about 1 tatami mat) of a small climbing gym in the suburbs of Tokyo that he was running at the time.
His research began with comparative experiments on magnesium carbonate, and he tried mixing it with several chalks on the market at the time to see how it would change.

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