These polypropylene microcentrifuge tubes are able to withstand the stress of high speed centrifugation up to 20000×g.

• With external graduation and frosted writing surfaces
• Autoclavable to 121 °C
• Pierceable lid

60872-600 incorporates convenient pick-up tabs for easier handling without actually touching the tube. 89499-322 offers a special locking system which can be bent upward to lock on the cap, ensuring extra protection during critical steps.

The one-piece construction incorporates a snug fitting and has a reliable attached cap, even with prolonged boiling. The bottom is reinforced for added protection against leakage.