4.0 mL Cryogenic Vial, Self-Standing, External 9*9/rack, 8 racks /cs,648 vials/cs - 608003

Specifications
* Made of USP VI polypropylene.
* Autoclave at 121℃ /15 Ib.
* Non-pyrogenic, DNase/RNase and human DNA free.
* Round Bottom, Self-standing.
* Autoclavable.
* Sterilized by E-beam, SAL=10-6 .
* Clear graduations and white marking area.
* Recommend to store in gas phase of the nitrogen tank.
* Internal thread Cap: Special screw cap designed with silicone O-ring to secure the sealing under various condition.
* External thread Cap: Special screw cap designed without silicone ring to avoid risk of contamination.