Spearlab Cryogenic Foam Dewar, Hampton Research

Supplier: Hampton Research

HR4-673

MSPP-HR4673EA 187.69 USD

MSPP-HR4673

Spearlab Cryogenic Foam Dewar, Hampton Research

Dewars and Cryogenic Vessels

The standard foam dewar shape is circular in design with a protruding handle, so that it resembles a large teardrop. Like most lightweight insulation materials, the thermal conductivity of the foam is predominantly determined by the thermal conductivity of air, which eventually permeates the pores of the foam material.

Proprietary foam construction
Reduced ice formation on dewar lip
Easier to dry
Made from cross-linked polyethylene foam
Foam construction reduces slipping

The patented (USPTO 7 971 744) design of makes it easy to handle and safer to use than a traditional low-profile glass dewar. Also, because of its lower thermal mass, a foam vessel will cause less boil off when it is filled with liquid nitrogen. Additionally, the dewar will accumulate less frost during regular use.

Delivery information: Each dewar is supplied with a matching foam lid to insulate the contents from ambient air.

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