Manufactured from high-quality borosilicate Duran glass
Resistant to thermal shock up to 250°C
Marked with a unique serial number, e.g. 001/2026, 002/2026, etc. (for quantities exceeding 100 pieces)
The test tubes are calibrated in accordance with ISO 4787 and are supplied with a factory certificate of quality and thermal annealing of the glass, a factory calibration certificate, and a volume determination form (for quantities exceeding 100 pieces)
All other sizes not covered by the specification can be manufactured according to your requirements
