USP VI Polypropylene Tubes
· Round Bottom, Self-standing
· Each tube is permanently marked with a unique 2D barcode, ensuring the tubes can be easily and accurately identified when being moved, shipped or even accidentally dropped.
· Laser 2D barcode on the bottom of each tube allows scan and decode at once without removing from rack
· 100% inspection guarantees that each code is unique and readable
· Solid, one-piece construction ensures the barcode not fall off during the storage under low temperature
· Clear graduations and white marking area
· Sterilized by E-Beam
· Non-pyrogenic, DNase/RNase and human DNA free
· Recommend to store in gas phase of the nitrigen tank
External thread Cap
Special screw cap designed without silicone ring to avoid the contamination risk.
Internal thread Cap
Special screw cap designed with silicone O-ring to secure the sealing under various condition.