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Sonoco™ ThermoSafe U-tek™ Phase Change Materials

Ideal for transporting and shipping low-temperature scientific materials

Manufacturer: sonoco™  420

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Catalog No. 03-528-5


Description & Specifications


Quantity 12 Case
Product Type U-tek™ Phase Change Material
Height (English) 1 in.
For Use With (Application) Ideal for products requiring frozen temperatures or extreme cold that may not tolerate dry ice or Carbon dioxide
Freezing Point -23°C
Height (Metric) 2.54cm
Length (English) 7.5 in.
Length (Metric) 19cm
Material Laminated, Metallic film
Weight (English) 42.8 oz.
Weight (Metric) 0.45kg
Width (English) 2 in.
Width (Metric) 28cm
Dimensions (L x W x H) 7.5 x 2 x 1 in. (19 x 28 x 2.54cm)

  • Packs return to gel state after thawing—do not actually melt
  • Reusable
  • Laminated, metallic film exterior provides heat barrier and resists punctures
  • Temperature of a pack frozen at -23°C (-10°F) and then placed in a well-insulated container typically rises about 0.5°C (1°F) per hour at an ambient temperature of 25.3°C (77.6°F)