Schellbach Burette, 25mL - Class B - PTFE Stopcock - Blue Graduations - Borosilicate Glass

• 25mL capacity Schellbach Burette has a vertical white backing with a central blue line opposite the graduations, providing better contrast with the miniscus
• Made of high quality, heavy duty, borosilicate 3.3 glass. Autclavable, with excellent durability and chemical resistance
• Conforms with Class B, DIN ISO 385 standards, with 0.1mL graduations and ±0.10mL tolerance - Calibrated to deliver
• Chemical-resistant blue markings and graduations provide contrast against clear liquids
• Includes an attached PTFE straight bore stopcock

This 25mL capacity Schellbach Burette is made of high-quality, heavy-duty borosilicate 3.3 glass - built to last. A white backing with a central blue line runs the outside length of the tube opposite the graduations, so the meniscus is clearly visualized. Features a straight bore, PTFE stopcock, and blue markings which provide excellent contrast against clear liquids. Accurate to Class B, DIN ISO 385 standards with 0.1mL graduations and ±0.10mL tolerance. Calibrated to deliver. Burette measures 24" long with a 13mm (0.5") outer diameter.

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.