Manufactured of high-quality USP Class 6 gamma resistent clear polypropylene with HDPE screw cap.

• Longer length screw caps
• Easy-to-read black graduations are accurate to ±2%
• Large unerasable frosting white printed writing area
• Both the graduations and writing areas are chloroform-resistant
• Autoclavable at 121 °C and freezable to –80 °C
• Leak-Proof
• During the freezing process, it is better to use plastic rack
• During high-speed centrifugation, it is better to use suitable rotor adapters

These disposable freestanding tubes feature black printed graduations and smooth inner walls for easy filling and sample preparation. A white printed writing area on the side allows for permanent coding. All tubes are RNase-free, DNase-free, and non-pyrogenic.