Listing ID #5071446
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"humidity indicator card (hic) a card on which a moisture-sensitive chemical is printed such that it will change color from blue to pink when the indicated relative humidity is exceeded. This is packed inside the moisture-sensitive bag, along with the desiccant, to aid in determining the level of moisture to which the
moisture-sensitive devices have been subjected.” (ipc/ jedec j-std-033d section 1.5.7)