High-quality borosilicate class A Nessler cylinders for colorimetric and turbidity analyses.

• Made of high quality, heavy duty, borosilicate 3.3 glass
• Conforms with DIN ISO 4788 class A tolerance standards
• Optically plane bottom
• Markings for nominal stroke volume and halfway mark

Nessler cylinders are used for comparisons of color and turbidity between solutions. They are made with a spout for easy pouring. Features and optically plane bottom, nominal stroke volume mark, and halfway mark. Class A tolerance conforms with DIN ISO standards. Autoclavable, with superior chemical durability. Low temperature gradient - can withstand high temperatures and thermal shocks. Calibrated to contain.

Eisco labs borosilicate glass has the following heat tolerances:
- Strain point 515 °C
- Annealing point 565 °C
- Softening point 820 °C