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Caplugs™ Evergreen Scientific CryoSure™ Brand Cryogenic Vials with Caps

External thread, freestanding vials with caps provide safe, secure, reliable storage for specimens in liquid nitrogen vapor-phase™

Supplier:  Caplugs™ 2223902085

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Catalog No. 05-556-4

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Recommended for storing cell cultures, blood/serum specimens, sperm, and other biological specimens at vapor phase™ liquid nitrogen temperatures (-320°F/-195°C).

  • External thread design is less susceptible to aerosol contamination than internally threaded vials, and have smoother engagement than ordinary 60° threads
  • Ultra-clear polypropylene material is nearly transparent and provides superior tensile strength and resistance to gamma radiation sterilization
  • Permanent marking areas are molded in for labeling and specimen identification, with volume graduations distinctly molded every 0.5mL
  • Straight vertical inside walls with no shoulder result in a large accessible opening which makes processing and retrieval of samples convenient

Polyethylene Caps – Natural Color

  • Provide leakproof closure without the use of a silicone gasket
  • Feature a molded-in sealing ring for a rim-seal that offers sealing efficacy in excess of 99%



1.5 mL
1.81 in.
Screw Cap
0.49 in.
12.5 mm
Vapor phase liquid nitrogen only
46 mm
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™Please use CryoSure™ vials in the vapor-phase only. Evergreen does not recommend the use of screwcap vials, including CryoSure™ vials, for immersion in liquid nitrogen or other liquified gases. Immersion in liquid nitrogen may cause leakage in CryoSure™ vials and also presents the potential danger of rapid pressure buildup and/or explosion when returned to room temperature.