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Thermo Scientific™ Nunc™ CryoTube™ Colored Caps Available on GSA/VA Contract for Federal Government customers only.

Color-code your sample vials with colored replacement closures for Nunc internally-threaded CryoTube vials, featuring silicone gasket to provide the best seal.

Manufacturer:  Thermo Scientific™ 363436

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Catalog No. 12-567-00

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Do not use CryoTubes in the liquid phase of liquid nitrogen unless correctly sealed in Nunc CryoFlex™ Tubing (Cat. No. 343958). Improper use may cause liquefied nitrogen to be trapped inside the vial and lead to pressure build-up, resulting in possible explosion or biohazard release. Use appropriate safety procedures as outlined in the Nunc Cryopreservation Manual when handling and disposing of the CryoTubes.


Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter. Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.



Color-code your sample vials. Thermo Scientific™ Nunc™ CryoTube™ Colored Caps are for use with Nunc internally threaded CryoTube vials and include a silicone gasket to provide the best seal. Nunc CryoTubes are the most widely used cryo vials in the world, stemming from the first cryo vials manufactured in the early 1960s. The well-proven design, the high certification level and the large portfolio of vials provide researchers with a choice of the vial best suited for their application and peace of mind that the sample can be retrieved viable and unharmed.

  • Replacement polypropylene screw caps with a silicone gasket to provide the best seal
  • Available nonsterile or irradiated
Description & Specifications


Croygenic Tube Closure
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