Humidity indicator card can easily measures relative humidity inside the sealed package to allow a quick and low cost inspection of the humidity level is safe or not. The blue indicator dot turms pink, means that RH in the package has or had been reached the RH value of that dot.
Colors changed from dry to wet
HIC Cobalt-Free A (Green)
HIC Cobalt-Free B(Green)
HIC Cobalt & Halogen-Free(Green)
Blue to pink
Yellow to Green
Brown to Azure
Brown to Green
3. Application a) Electronics, PCB b) Optical components, synthetic material, organic material c) Metals d) Bulk packaging, preservation package
Established in 1998, Chunwang is well-known as one of the leading manufacturers and suppliers of humidity indicator strips in China. During the past two years, we have introduced advanced equipment and technology into our factory. Please be free to buy our cheap products made in China.
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