special label/paper water sensitive 1.special material 2.the color changes to red when meet water 3.ISO 9001:2000
special label/paper water sensitive
Description:
Water sensitive self-adhesive label will discolor evidently once liquid water intrusion and can not retrieve is the major function of water-sensitive label. Random color is available. According to the critical hunidity, the label can be design that discolor at pre-set relative humidity immerge.
This kind of label can be classified as:
1.diffusing: The pre-set graphic will diffuse speedily once contact water.
2.discoloring: Once the liquid water intrucsion, the origin color will discolor speedily and the pre-set color reveal evidently.
results of meet water, once it done , it cannot return as usual
paper water sensitive
