Water Ingress Label

Water ingress security label will discolor evidentely once liquid water intrusion and cannot retrieve, this is the major function of water sensitive material . Usually the white label will become red color once it touch
the water, which is a irreversible process. this products exploited aim at the electronic products which can not contact water . such as cell phone , LCD , Electrical appliances, and so on . it can be used on the 
packaging box or cartons ,to indicate if the goods are well took care , or considered as a specific evidence for maintenance services or compensations .