3M™ Freeze Watch™ Indicator 9805FW consists of a highly sensitive indicating liquid inside a specially designed ampoule to monitor exposure of temperature-sensitive products to freezing temperatures.
- Inexpensive solution for monitoring product exposure to freezing temperatures.
- Self-adhesive backing sticks securely to most exterior packaging materials.
- Easily-interpreted visual results.
- Activation temperature of 0°C/32°F helps proper shipping of freeze-sensitive items.