... applications, such as PCB, IC, LED, especially military and semiconductor2, Features of humidity indicator labels1), Lead-free ROHs compliant2), ... 8835 and J-STD-033 requirements7), A permanent after-sales service3, Specifications of many kinds humidity indicator labelsone ... ( customer size, shape and printings can be done)4, ApplicationPrinted Circuit Board,PCB, LED, SMD LED, IC, electronic packaging , ...