Six Dots Humidity Indicator Card Blue to Pink

1. Humidity indicator card is a kind of accurate and convenient humidity testing means, through the color change of the indicting dots on the card. Easy to clearly observe the relative humidity inside the current packaging.

2. Cobalt Dichloride free series, Cobalt free series, Cobalt and Halogen free series humidity indicator, which can meet the needs of humidity indication on different occasions and under different environment.

3. Widely indicating range and card size can be customized.

4. This Type is Blue-Pink(common HIC), Dry is Blue and Wet is Pink.

---