High-quality borosilicate class B glass cylinders with a removable hexagonal plastic base.

• Made of high quality, heavy duty, borosilicate 3.3 glass
• Conforms with DIN ISO 4788 class B tolerance standards
• Detachable plastic hexagonal base provides maximum stability and prevents rolling when placed on side
• Easy-to-read graduations and specifications
• Fitted with a removable, plastic protective collar

Spout for easy pouring, and removable plastic hexagonal base for extra stability. Class B 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