ColdMark, a single-use descending temperature indicator, is designed to help shippers identify and correct gaps in their cold chain. The ColdMark turns from clear to violet when the temperature goes below a predetermined threshold.


Available Temperatures 

  • -3°C / 26°F
  • 0°C / 32°F
  • 2°C / 36°F
  • 5°C / 41°F
  • 10°C / 50°F



  • Floral
  • Specimens
  • Chocolate
  • Tissue samples
  • Pharmaceutical
  • Meal delivery
  • Raw and cooked meats
  • Chemicals

Temperature Accuracy


Activation Time

30 minutes or less

Storage Conditions

Store product above activation temperature, up to 110°F

Shelf Life

Two years from date of sale

Part Numbers

ColdMark -3°C / 26°F CM -3/26
ColdMark 0°C / 32°F CM 0/32
ColdMark 2°C / 36°F CM 2/36
ColdMark 5°C / 41°F CM 5/41
ColdMark 10°C / 50°F CM 10/50
This product contains Ethylene Glycol a chemical known to the state of California to cause birth defects or other reproductive harm. For more information go to

Related Products


If the single use temperature indicator turns red you’ll know your cold chain shipment got too warm.

LOGIC Temperature Recorder

Monitor your cold-chain shipment for unacceptable conditions with a cost-effective temperature recorder.

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