... convient use Moisture indicator papers 1, Brief:humidity indicator card (also know as HIC, humidity indicator card, moisture indicator ) is a card ... military and semiconductor2, Features:one/1 single dot Humidity Indicator Card-(with cobalt)1,Lead-free ROHs compliant2,reversible ... and RH can be made by customers' needs4, ApplicationPrinted Circuit Board, PCB, LED, SMD LED, IC,electronic packaging , ...