3M™ Freeze Watch™ Indicators are ideal for monitoring products that run the risk of being damaged when exposed to freezing temperatures during shipment and storage.
The patented design of Freeze Watch indicators consists of a highly sensitive indicating liquid inside a specially designed ampule. When exposed to freezing temperatures, the ampule fractures, releasing a liquid. The liquid irreversibly stains a paper behind the ampule, indicating that product has been exposed to unacceptable temperatures so product quality testing should be performed.
Placed directly on secondary shipper boxes of temperature-sensitive products during shipment and storage, the indicators provide a reliable measure of temperature exposure.
• Patented design consists of a highly sensitive indication liquid inside a specially designed ampoule
• Pressure-sensitive adhesive allows attachment to almost all clean, dry surfaces.
• Ideal for monitoring products that run the risk of being damaged when exposed to freezing temperatures during shipment and storage - including vaccines, medical implants, drugs, blood, some foods and other temperature-sensitive chemicals.
• Indicators monitor temperature exposure, not product quality.
NOTE: From October to May, this product may be damaged by regular shipping methods and requires a special insulated shipping container ($15 / weighs 14lbs) which is included in cost of shipping*. The product must be shipped overnight shipping.
*Only one shipping container will be charged per order
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