Humidity Indicator Cards (HIC) tell at a glance if moisture within a sealed container or closed spaces is at an acceptable level. Hunidity Indicator Cards help monitor desiccant activity and are ideal for use with desiccants in any application where moisture control is critical. Any color change from blue to pink indicates an unsealed container and/or damaging level of humidity.

HIC 3 Dot 10, 20, 30%

This three dot card changes colour on a scale of 10%, 20% 30%,40% ,50%,60%to indicate humidity levels.

Popular for sensitive electonics, ordance or optical instruments.

250 crads per tin

Humidity Indicator Cards (HIC) cobalt-free with 6 poit