Discolor evidently once liquid water intrusion on the edges or top of the material and cannot retrieve which is the major function of water-sensitive label. According to the critical humidity, the label can be designed that discolor at pre-set relative humidity or completely immerge.
Product feature:
It can be die-cut into different size and shape according to customers' need.
It is suitable for different printing process.
This product exploited aim at the electric product which cannot contact water, for example cell phone, battery, LCD product etc. It also can be considered as a proof of claiming for compensation.