Test tubes - chemical
With beaded rim
- Manufactured from high-quality borosilicate Duran glass
- Resistant to thermal shock up to 250°C
- Marked with a unique serial number (for quantities exceeding 30 pieces)
- Supplied with a factory certificate confirming the quality and thermal annealing of the glass (for quantities exceeding 30 pieces)
- All other sizes not covered by the specification can be manufactured according to your requirements