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REFRIGERATION
& TRANSPORTATION -
3M Freeze Watch
 The 3M Freeze Watch is an excellent way of monitoring
temperature abuse of chemicals and pharmaceutical products such as
vaccines and medicines that are damaged by exposure to freezing temperatures
during transportation and storage. The Freeze Watch consists of a
highly sensitive indicating liquid inside a specially designed ampule.
The ampule fractures when exposed to freezing temperatures, irreversibly
staining the paper backing of the ampule. The Freeze Watch is available
in two temperature ratings, -4ºC/+25ºF and 0ºC/+32ºF
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