This flask is molded of high-density polyethylene expanded polystyrene cover; polyethylene coated handle

The first all-plastic Dewar flask suitable for cryogenic work. Unbreakable. The double walls are molded from chemically-resistant linear polyethylene, which will withstand temperatures from –196°C to +100°C. The annulus is filled with insulating urethane foam. Ribs molded in for safe handling. Vented, insulating cover. Convenient bail-type handle on all but 10 liter size.