PS, clear, conical, with flat cap with integral sealing.

• Electron beam irradiated
• Longer length screw caps with sealing ring prevent any leakage
• Engraved graduations at the conical bottom of each tube
• Graduations and writing area are chloroform-resistant
• During the freezing process, it is better to use plastic rack
• During high-speed centrifugation, it is better to use suitable rotor adapters