Simport Cryovial, 4mL, 12.5 x 72mm, Self-Standing, Internal Thread Design with Silicone O-ring Seal, Simport Scientific (CAT#: STEM-CRYOC-1817-LC)

Simport Cryovial, Internal Thread Design with Silicone O-ring Seal manufactured by Simport Scientific comes with a specially formulated silicone o-ring to provide positive leakproof seal at all temperatures. Both tube and cap are manufactured from the polypropylene, ensuring the same expansion coefficient, and therefore a secure seal both at room temperature and at low cryogenic temperatures.

A large white marking area and printed graduations facilitate sample identification
With a locking base for easy one-hand operations and only 1 turn of the cap is sufficient to screw the cap on the vial
Autoclavable at 121°C
Sterilised by gamma radiation
Supplied in unique, tamperproof, resealable, safety-lock bags
Internal thread