- Made of high quality borosilicate 3.3 glass
- Wide neck for easy filling
- Conforms with DIN ISO 24450 standards for flasks
Wide neck conical flask with white graduations. Made of high quality borosilicate 3.3 glass. Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs borosilicate glass has the following heat tolerances: Strain Point 515°C | Annealing Point 565°C | Softening Point 820°C.