6 Spots Humidity Indicator Cards

6 Spots Humidity Indicator Cards

6 spots humidity indicator cards How does humidity indicator card work? 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...

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6 spots humidity indicator cards

How does humidity indicator card work?

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.

Specification:

Item: humidity indicator cards

Spot: 6spots

Humidity: 10%-60%

Size:36.5*103mm

Package: 250pcs/tin, 12tins/ctn

Picture:

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Company:

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Established in 1998, Chunwang is well-known as one of the leading manufacturers and suppliers of 6 spots humidity indicator cards 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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