... free RoHS compliant; 2.OEM allowed; 3.High quality; 4.Economical cost, convient use Moisture indicator papers 1, Brief: ... in many configurations and used in many applications, such as PCB, IC, LED, especially military and semiconductor2, Features:one ... size and RH can be made by customers' needs4, ApplicationPrinted Circuit Board, PCB, LED, SMD LED, IC,electronic packaging , optical equipment,electronic ...