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Article | August 31, 1998
Humidial, a United Desiccants (Louisville, KY) member, introduces Desi Pak® humidity indicator cards. These measure the ambient humidity within a sealed package to detect damaging moisture.
Indica-tors use dots that clearly change color from an unmistakable blue indicating a safe package to a pink if levels rise during transport or storage. Measure RH levels of 10 20 30 40 50 and 60%.
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