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Time/Temperature Indicators

WarmMark, a time-temperature indicator sticker, provides insights into your cold chain logistics so you will know which packages may have experienced thermal damage and which were handled properly.

This single-use temperature recorder for shipping turns red when it reaches the temperature threshold you selected. Then, unlike many temperature indicator stickers, WarmMark starts a countdown, with its three individual indicator dots changing color for brief, moderate, and prolonged exposure. Those durations vary by temperature. So, for example, “brief” exposure means 2 hours at 0°C/32°F, but means 30 minutes at 25°C/77°F and above. Based on the temperature and exposure, you’ll know whether a product remains safe and effective or whether it should be replaced. 



Test specimens | Biologics | Test kits | Vaccines | Pharmaceuticals | Tissue samples | Floral | Meal delivery | Chocolate | Raw and cooked meats | Chemicals | Paint



Temperature Accuracy: ±1°C / ±2°F
Storage Conditions: Store in a dry environment below response temperature for optimal shelf life
Shelf Life: Two years from date of sale 


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