- Made of high quality, heavy duty, borosilicate 3.3 glass
- Single graduation line for precise dilution and preparation
- Class B tolerance conforms with ASTM-E288 standards
- Fitted with solid, glass pennyhead stopper
Volumetric flask made of high quality, heavy duty borosilicate 3.3 glass. Single graduation mark. Class B tolerance. Fitted with a solid, glass pennyhead stopper. 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.
Calibrated to contain.