Made of high quality, USP class 6 gamma-resistent clear polypropylene with HDPE screw cap.

• Longer length screw caps with sealing ring prevent leakage
• Easy-to-read black graduations are accurate to ±2%, with 1 ml increments (15 ml) or 2,5 ml increments (50 ml)
• Large unerasable frosted white writing area
• Both the graduations and writing areas are chloroform-resistant
• Engraved graduation at the conical bottom of each tube
• Autoclavable at 121 °C and freezable to −80 °C
• Leakproof
• During the freezing process, it is better to use plastic rack
• During high-speed centrifugation, it is better to use suitable rotor adapters

Disposable conical-bottom centrifuge tubes with smooth inner walls for easy filling and sample preparation. A white printed writing area on the side allows for permanent coding. Tubes are sterilised by irradiation. RNase-free, DNase-free and non-pyrogenic.