What are the applicable ranges for low-temperature Dewar flasks?

Feb 17, 2026 Leave a message

Medical and Bioscience Fields

 

Biosample Preservation
Cell, Tissue, and Organ Storage: Cryogenic Dewar flasks can preserve biological samples such as stem cells, immune cells, and tumor tissues for long periods. The liquid nitrogen environment (-196°C) completely inhibits biological activity, preventing degradation or mutation.

Vaccine and Drug Cryopreservation: Some vaccines (such as mRNA vaccines) require ultra-low temperature transportation. Dewar flasks ensure the stability of vaccines during the cold chain, preventing inactivation.

Reproductive Medicine Applications: Used for the cryopreservation of sperm, eggs, and embryos, supporting assisted reproductive technologies (such as in vitro fertilization).

 

Clinical Research
In cryobiology research, Dewar flasks provide a stable, deep cryogenic environment for experimental samples, ensuring the accuracy of research data.

 

Industrial Gases and Energy Sector

 

Cryogenic Liquid Storage and Transportation
Liquid Oxygen (LOX), Liquid Nitrogen (LIN), Liquid Argon (LAR): Dewar flasks are standard containers used by industrial gas companies for storing and transporting these liquids, widely used in metal cutting, welding, and electronics manufacturing processes.

Liquefied Natural Gas (LNG): Small Dewar flasks can be used for short-haul LNG transport or backup energy storage, meeting the gas needs of remote areas or temporary applications.

Liquid Carbon Dioxide (LCO₂): Dewar flasks provide efficient liquid carbon dioxide storage solutions in food freezing, dry ice production, and other applications.

 

Energy Industry Applications
Aerospace: Liquid oxygen and liquid hydrogen are key components of rocket propellants; Dewar flasks are used for cryogenic protection during ground testing and transportation.

Nuclear Energy Research: Dewar flasks store cryogenic media such as liquid helium in nuclear reactor cooling or superconducting magnet experiments.

 

Scientific Research and Experimentation

 

Low-Temperature Physics Research: Dewar flasks provide near-absolute-zero environments for experiments in superconducting materials, quantum computing, and other fields, supporting cutting-edge scientific research.

In condensed matter physics, low-temperature electronics, and other fields, Dewar flasks are an important component of experimental equipment.

Chemistry and Materials Science: Low-Temperature Reaction Experiments: Some chemical reactions require extremely low temperatures; Dewar flasks maintain the stability of the reaction system.

Materials Performance Testing: By cooling with liquid nitrogen, the mechanical and electrical properties of materials at low temperatures can be studied.

 

Food and Agriculture

 

Food Freezing and Preservation: Quick-Freezing Processing: Liquid nitrogen quick-freezing technology can rapidly pass through the ice crystal formation zone of food, reducing cell damage and preserving taste and nutrition. Dewar flasks provide a stable supply of liquid nitrogen for quick-freezing equipment.

Cold Chain Logistics: When transporting high-end foods (such as seafood and meat) over long distances, Dewar flasks can serve as temporary refrigerated containers, extending shelf life.

Agricultural Breeding: Low-temperature Dewar flasks are used to preserve genetic resources such as seeds and plant tissues, supporting agricultural biodiversity conservation and breeding research.

210l Cryogenic Dewar flask