One substance hygroscopic it is a substance that absorbs ready from the atmosphere to surrounding himself.

An example is , that it absorbs the water until approximately 1200 . Other hygroscopic substances include ,etilico alcohol, , concentrated and concentrated.

It is good norm to maintain the hygroscopic materials in containers seals to you when they are not in use.

The igroscopicità can be also one characteristic wished, when it is desired to lower the rate humidity of a closed space.


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