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Sonoco™ ThermoSafe U-tek™ Gel Pack

Phase Change Material (PCM) gel pack for shipping temperature-sensitive materials.

Supplier:  Sonoco™ 599

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Catalog No. 03-600-106

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  • Gel will phase change at -1 deg. or -23 deg.
  • Maintains critical temperatures of serums, test samples, live or frozen tissues, organs, and pharmaceuticals for extended periods.
  • Laminated, metallized film exterior provides radiant heat barrier and resists punctures.
  • Thermal solutions for temperature critical packages during transit
  • condition coolant in freezer below -1 deg. or -23 deg. before shipments.
  • For frozen or refrigerated shipments.
  • Alternative to dry ice.
  • Can be paired with our Mini Mailer(440).
  • Available in several sizes


1 in.
9.37 in.
Laminated, Metallized Film
0.30 g
12 cm
U-tek Phase Change Material
Ideal for products requiring frozen temperatures or extreme cold that may not tolerate dry ice or Carbon dioxide
2.54 cm
23.7 cm
32 oz.
1 in.
9.37 x 7.75 x 1 in. (23.7 x 19.5 x 2.54 cm)


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