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What is the humidity indicator card

   Humidity display card can easily distinguish the value is up to standard the degree of humidity in a sealed container or sealed, humidity display card to display a Desiccant the role of ability, or can be used in conjunction with the desiccant stringent requirements to control the humidity of occasions, paperTo color by some degree of change <Blue redden> the delicate container immediately known whether the failure, or humidity has been up to the extent of the damage items. A dot in the card with the ambient relative humidity RH values change from blue respectively gradually become pink, each dot represents a value of 5% -15% relative humidity RH can accurately display the relative humidity level, and to help determine replacement desiccant whether.
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