ColdMark Indicators
ColdMark Recorders
ColdMark Irreversible Descending Temperature Recorders Monitor Temperature Sensitive Products in Storage or Transit
The ColdMark is encased in a cylindrical tube with a chemically activated dye that will change color from clear to violet when exposed to temperatures below the rated temperature. Once activated, the violet color creates a permanent record of exposure.
*ColdMark irreversible descending temperature indicators must be maintained at least 5°C above the response temperature and must ship via 2 Day Air or faster and may seasonally incur an additional charge for insulated packaging.
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