These tubes are made from USP Class VI PP, which ensures a clear view of the pellet. They incorporate a high-strength wall and can be centrifuged to twice the g-force that most other microcentrifuge tubes can withstand. Amber colored for light-sensitive substances.

• Ideal for vortexing and shaking tables
• RNase-, DNase-, and endotoxin-free
• Engraved graduations ensure accuracy
• Provide easy and legible mark area
• Fit all common rotors
• Ideal for phenol/chloroform extractions

Note: Because tubes have a tightly fitting cap, they should not be used for boiling.

Steam autoclavable to 122 °C (252 °F) and freezable to –90 °C (–130 °F).