These leak-proof centrifuge tubes are manufactured from dark amber PP and provide protection for light sensitive samples by blocking UV lighting.

• Easy-to-read black graduations in ±2% increments
• Contains a large, white frosted writing area
• RNase-, DNase-, and endotoxin-free
• Autoclavable at 121 °C and freezable to –80 °C
• Can be centrifuged up to 12500×g
• Sterile tubes are sterilized by irradiation
• Blocks 99% of light with wavelength less than 550 nm
• During the freezing process, it is better to use plastic rack
• During high-speed centrifugation, it is better to use suitable rotor adapters

The sterile tubes feature a printed labeling area for quick and convenient sample identification. Green high-density polyethylene caps are included. Tubes are available in 15 or 50 ml sizes, and are offered in a variety of packaging formats. All tubes and caps are autoclavable.