Made of polypropylene
These sterile and non-sterile MicrewTubes are available Printed (with graduations and white marking area), Plain (without graduations and marking area) or Tamper-Evident Printed (with tamper-evident screwcaps, graduations, and white marking area).
Perfect for cryogenic work. Non-skirted tubes can be centrifuged up to 20,000g. Will withstand temperatures from -196 °C to +121 °C (use/freeze in liquid nitrogen gas phase only).
Washer O-ring seal secured in the top of the cap ensures a positive leakproof seal, time after time, keeping the integrity of small samples under even the most adverse conditions.
MicrewTubes are Certified to be RNase, DNase, DNA and Pyrogen free.