Screw caps for microtubes with O-ring

Biosigma microtubes are manufactured from medical-grade raw material to exceed the exacting standards demanded by researchers.


  • Withstand high speed centrifugation up to 16.400 rpm or 25.000 g.
  • Withstand temperatures from -85°C to +121°C.
  • Autoclavable up to 121°C for 20 minutes.
  • Tubes made in medical polypropylene.
  • Caps made in medical polyethylene.
  • Sterile SAL 10-6.
  • Certified DNase/RNase/pyrogens free to satisfy the highest demands in several biotechnological applications.

  • Non-sterile.

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