Simport Cryovial, 4mL, 12.5 x 70mm, Round Bottom, Internal Thread Design with Silicone Washer Seal, Simport Scientific (CAT#: STEM-CRYOC-1822-LC)

Simport Cryovial, Internal Thread Design with Silicone Washer Seal manufactured by Simport Scientific comes with a silicone washer between cap and vial 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
Autoclavable at 121°C
Sterilised by gamma radiation
Can be centrifuged up to 17,000 x g
Supplied in unique, tamperproof, resealable, safety-lock bags
Internal thread