The color changing silica gel contains cobalt chloride, which is non-toxic and harmless. It has a strong adsorption effect on the water vapor in the air. At the same time, it can show different colors through the change of the amount of cobalt chloride crystal water.
【Applications】
It is mainly used for moisture absorption and rust prevention of instruments, meters and equipment under closed conditions. It is widely used in precision instruments, leather, shoes, clothing, food, medicine and household appliances.
【Size】
1-3mm、2-5mm、4-8mm
【Packing】
500g/plastic bottle(or as requested)

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