Test tubes with NB stopper
Test tubes with NB stopper
Test tubes with NB stopper

Test tubes with NB stopper

With glass NB stopper, graduated

  • manufactured from high-quality borosilicate DURAN glass
  • resistant to thermal stress of up to 250°C
  • marked with a unique serial number, e.g. 001/2026, 002/2026, etc. (for quantities exceeding 30 pieces)
  • the test tubes are calibrated in accordance with ISO 4787 and are supplied with a factory quality certificate and certificate confirming the thermal treatment of the glass, a factory calibration certificate, and a volume determination form (for quantities exceeding 30 pieces)
  • all other sizes not covered by the specification can be manufactured according to your requirements

Kat. br. Subdivisions (mL) test tube diameter (mm) Height (mm) Capacity (mL) Socket size ()
99 160 16 0,1 16 160 10 12/21
99 114 16 14/23 0,1 16 114 10
99 210 17 14/23 0,1 17 210 20
99 210 18 14/23 0,2 18 210 25
99 210 20 14/23 0,5 20 210 30