The major function of water-sensitive material is that discoloring evidently after liquid water intrusion.The color varies from customers’ requiry.According to the critical humidity,the label can be designed as that discolor at pre-set relative humidity or immerge completely.
This kind of label can be classified as follow:
1>diffusing. the pre-set graphic will diffuse once contacting water.2>discoloring. the original color will discolor and the pre-set color reveal evidently after the liquid water intrusion.
