The term liquid chalk refers to several substances, in relation to dry, powdery chalk:
Despite the term using the word "chalk", there might be no actual chalk within some forms of "liquid chalk" mixtures.
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Some liquid-chalk marking pens come in sets of multiple markers, such as 8 vivid colors.[1]
Liquid chalk can be a variation of the normal chalk (see: Magnesium carbonate) used to improve grip for sports such as rock climbing, weight lifting, or gymnastics. It is preferred by some athletes because it remains effective longer and leaves less residue on rocks and equipment. [2]
Rock climbers use liquid chalk to prevent their hands from sweating in situations where normal chalk or pof are inadequate. In particular:
In other sports, it may not make much sense to use liquid chalk, because rechalking can be done more easily between sets or rounds. However, some gyms require liquid chalk because it leaves less residue on equipment.
Some liquid-chalk mixtures for climbing are made with magnesium carbonate, colophony and ethanol or some other alcohol which dissolves colophony and evaporates fast enough from the solution (as isopropyl alcohol or methanol). Sometimes, an additive for aroma is included, because of the bad smell of spirit.