2014 Recommend cobalt-free Humidity Indicator Card
Negotiable /Piece
Min.Order:10000 Pieces
Shanghai Hengyuan Macromolecular Materials Co., Ltd.
1. Brief
Humidity indicator card can easily measure the relative humidity inside the sealed package to allow a quick and low cost inspection of whether the humidity level is safe. The Blue indicator dot turms to Pink, meaning that RH in the package has or had been reached the RH value of that dot
2.Specification
Sixe dots humidity indicator card: 10%-60%,20%-70%,
One Dot humidity indicator card: 5%,30%,50%
3. Usage Directions
The humidity indicator dots will change from Blue to Pink as the relative humidity increases in the volume of air surrounding the indicator
The humidity indicator dots are reversible, and the green dots will change back to yellow when the volume of the air is dried
The humidity indicator shows the most accurate value when the temperature is 23°C
Store humidity indicator cards in original sealed iron can. Immediately seal the can after every opening. The dot color shows yellow before usage
Store in dry, cool area and keep them out of direct sunlight and away from water
4. Application
Electronics, PCB
Optical components, synthetic material, organic materail Metals
Bulk packaging, preservation package
other products