Humidity indicator Cards are colour change indicators. As the humidity increases the chemically impregnated spots change from a blue colour through a lavender, to a pink colour, indicating whether or not a critical RH has been reached. Humidity Indicator Cards go hand in hand with the desiccant bags inside the Dry Shielding Bags.
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Humidity Indicator Cards change colour according to the level of humidity in the room. The cards consist of blue spots that contain certain chemicals. When the humidity increases past 30%, the spots change colour, presenting a lavender/ pink colour. The colours indicate whether or not a critical Rh has been reached. Humidity cards must be used with desiccant bags.
Levosil SpA prides itself with 50 years of experience in the production of desiccant bags, humidity indicators and barrier material packaging. Levosil offers the high quality solutions to manage humidity and avoid the risks of rust, corrosion or alteration of materials due to humidity. 
