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M-40 Cryoguard Thermal Exposure Indicator

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Product Description


Cryoguard Thermal Exposure Indicator

  • Signal temperature: -40°C
  • Activated indicator turns red when exposed to temperatures at or above -40°C
  • Used for monitoring products shipped or stored in dry ice that need to be kept at or below -40°C
  • Popular for monitoring frozen blood plasma, bone grafts, and many premixed adhesives
  • Recommended for monitoring environments at or below -65°C
  • Cryoguard indicators have a shelf life of eight months. The shelf life applies whether the indicator is activated or unactivated. An expiration date appears on the label on each indicator.