Specially Formulated Polypropylene, is certified Rnase-free, Dnase-free, Pyrogen-free, and DNA-free.

  • Designed for storage of biological material, human or animal cells, at temperatures as low as -190°C.
  • The cap features a long skirt for one hand aseptic technique.
  • A super fast thread design that allows tightening or removal with a mere 1¼” turn, and an inside thread design that will not contribute to possible contamination.
  • Tubes are provided with white marking area for sample identification, and can be color-coded by the use of a Capinsert™.
  • These Cryovials® are compatible with most storage systems.
  • Vials are sterilized by gamma irradiation, and are packaged in unique tempered-proof, resealable, safety-lock-bags of 100/pack or a case of 10 x 100 packs.
  • The closures and tubes are both manufactured of polypropylene having the same coefficient of expansion, which further enhances the leak-proof qualities of these vials at changing temperatures.

Tubes are available in three series:
Series T309

  • Lip-Seal Design Tube
  • Tube with External Threads

Series T310

  • Silicone Washer Seal
  • Tube with External Threads

Series T311

  • Silicone Washer Seal
  • Tube with Internal Threads

Cryo-Lok Cryogenic Vials

CRYO-LOK vials are ideal for storage or transport of material of extremely low temperatures. The vials have external threads, providing a smooth and uniform inner surface. This eliminates the problem of air born contamination and/or sample loss so common when vials with internal threads are used. The screw top incorporates a molded-in sealing ring, which assures a tight leak-proof seal.

  • Graduated in 0.5 ml increments
  • Conical bottom with slotted skirt
  • For use in vapor phase of liquid nitrogen
  • Color Caps also Available*

*Cap color Blue. Red caps are available upon request.

CryoClear™ Cryogenic Vials

Innovative long-term protection for your valuable samples.

CryoClear™ vials feature innovative screw caps of polyethylene (PE) co-molded with a layer of thermoplastic elastomer (TPE), providing a superior seal that helps eliminate the risk of sample loss or contamination associated with the use of o-rings. Vials and caps are autoclavable.

Lot Certified

Human DNA free, RNase free, DNase free, pyrogen free and ATP free. Tamper evident packaging.

Superior Quality

Produced from medical-grade raw materials, non-pyrogenic, non-cytotoxic, non-mutagenic, heavy-metals free and BSE/TSE free. Manufactured, assembled and packaged in an ISO 7 (Class 10,000) cleanroom. Sterilized by beta radiation (SAL 10-6).


Slim profile caps provide a better fit into racks and boxes and features a star socket designed for automated capping/decapping. Unique barcode printed on each vial for automated data collection.


White writing surface for specimen identification and printed graduations for accurate measurements.

For long-term storage of samples at temperatures as low as -196°C.


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