Humidity Indicator Card Used With Desiccant Pack

Most products are easily affected by moisture, which leads to irreconcilable damage such as rust, mildew, deterioration. The humidity indicator card can be placed in the product packaging to monitor whether the relative humidity is at a safe value at any time.

 
Humidity indicator cards are impregnated with a solution of cobalt chloride that has been carefully mixed to change color from
blue through various shades of magenta - red, to a pink. These cards are not precision indicators. However, they are very good
at telling you the maximum possible humidity in a container. For example if all of the dots are deep blue on a card which is a
10%- 60% card than you can be assured that the humidity in that container is below 10%. This is very important for some products
and household items because as long as the humidity is below 40%, basic corrosion (rust) will not occur. Neither will mildew or
mold in clothing or paper products. Finally, all sophisticated electronics: video cameras, computers, SLR cameras, sophisticated
instruments etc. enjoy a much longer and more reliable life if they are maintained at a very low relative humidity.
 
For example, at the bottom of this page are cards that were developed specifically for the electronics (computer chips) industry.
These companies require that the humidity in their shipping packages be below 10% and as of the guidelines established in the
fall of 1999 are striving to maintain humidity below 5%.
 
Product name Humidity Indicator Card
color change Blue to pink
Certificates ROSH, REACH, Own Export License,ISO.
Usage Electronics Chemicals, PCB/IC /semiconductor /LED

 

 
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