YDH dry shipper dry nitrogen container YDH-3

A dry shipper is an insulated cryogenic flask/container that contains refrigerated liquid nitrogen absorbed into a porous lining. It is used to transport specimens

The liquid nitrogen must be completely absorbed into the dry shipper container lining; there must be no free liquid.

Container must not allow the buildup of pressure.

Liquid nitrogen must not escape from the package regardless of the package orientation.

Tip: It is normal to sometimes see vapor coming from these containers as they must allow the escape of gaseous nitrogen.