... service allowed Quicky delivery Humidity indicator card (HIC) 1, Introduction: humidity indicator card (HIC) is a card on which a moisture-sensitive chemical ... %-15%,5%-60%,10%-40%,10%-60%.............. 3, Application PCB, IC, LED, Semiconductor, electronic packaging, optical components, optical equipment packaging ... sealed packagings are in safe condiction. for more details please contact with YUKI