va-Q-tec AG sell "va-Q-genic"

The multi-use va-Q-genic solution enables safe shipping at cryogenic temperatures as low as -196°C using liquid nitrogen. Its three-layer system resists mechanical impact, and vacuum insulation maintains constant temperature for 30 days or more. Porous material inside the dewar stores vaporized liquid nitrogen while maintaining constant vapor circulation, and direct contact with liquid nitrogen is fully avoided during loading and unloading, allowing safe on-site handling. The va-Q-genic complies with IATA Dangerous Goods Regulations and is unrestricted under provision A152.