It is with the same colour degradation of the silica gel that contains cobalt dichloride, so you can confirm the moisture-absorption condition directly using your eyes. It is the environment friendly humidity indicating silica gel that contains no heavy metals
・Use
electronic parts, accurate machine parts, export bale package, health food, medicine, sweet biscuits, inflated food etc.
・Security
The main composition is SiO2. It will not be digested and absorbed by human body, so if you eat it by mistake, do not have to worry about toxicosis.
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