Foam Cryo Dewars

The preferred containers for handling liquid nitrogen and cryogenic materials
These foam dewars are safe, durable, and have superior insulating properties compared to stainless or glass, at a fraction of the cost!
Foam dewars use fine closed cell foam for insulation, which is chemically inert and mechanically durable enough to be exposed directly to liquid nitrogen, without leaking or degrading.
Also, due to the lower thermal mass, foam vessels cause less liquid nitrogen boiloff when filled, and will accumulate less frost. This results in less liquid nitrogen being used.
All vessels feature a foam lid.

Available Options:

Additional information

Vessel Size

Mini, Small, Standard, Large, Tall

Vessel Capacity

130-175 ml, 500 ml, 800 ml, 1400 ml, 1800 ml

Cylindrical Cavity Measurements

2"Dia x 3.5" Depth, 4.5"Dia x 2.8" Depth, 5.8" Dia x 2.8" Depth, 6.3" Dia x 3.8" Depth, 3.5" Dia x 12.3" Depth




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