Function of a Water Indicator label
Author: wet seal Date Posted:6 February 2026
Our Water Indicator Labels provide a reliable visual validation of moisture exposure. Upon contact with liquid, the label undergoes a permanent colour transition that cannot be reset, ensuring clear accountability. Ideal for application on electronics, medical devices, and packaging, these tamper-evident markers are an essential tool for verifying asset integrity and managing return protocols.
1. Before Exposure to Water
This is a close-up of a new, dry water indicator label. These labels are typically small, white, and placed on sensitive electronic components like circuit boards. In this state, the label indicates that the device has not been exposed to liquid.
2. During Exposure to Water
When water comes into contact with the label, it begins to change color. In this image, a single drop of water has been placed on the label, causing the center to turn red. The red color is a permanent indication of liquid contact.
3. After Full Exposure
After the water droplet has been absorbed, the entire indicator label turns a solid red color. This is the final state and provides clear, irreversible evidence that the device has been exposed to moisture, which can void warranties.
