Gamma-ray sterilised, pyrogen-free and chemical resistant. For use in a temperature range from -196°C to +130°C, sterilisable. Important: store only within the nitrogen gas phase, without direct contact with liquid nitrogen. With smooth running, tightly fitting screw closure, large gripping surface and integral sealing ring, no additional O-ring. External thread, thus no contamination through internal closures. With conical base for complete sample withdrawal, yet still stands perfectly flat thanks to the extended external section. With locking facility when working with the special Cryotube rack Item No. 3556. Tubes remain locked when closing or opening i.e. they do not turn and can thus be safely and quickly operated with one hand. With white area for labelling and easily legible marking of the filling level. Ready for use in convenient sterile packs.
