Class B color-coded Serological Pipettes made of high quality heavy duty borosilicate 3.3 glass with blue graduations.

• Class B, conforms with DIN IS 835 standards
• Calibrated for delivery to jet
• Last drop expelled by blowing
• Blue graduations for optimal contrast against clear liquids
• Color coded for easy identification
• Reusable

Class B tolerance, ±0.200 ml. Autoclavable, with superior chemical durability. Low temperature gradient - can withstand high temperatures and thermal shocks.

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