Schellbach Burette, 10mL – Class B – PTFE Stopcock – Blue Graduations – Borosilicate Glass

This 10mL 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 0.05mL graduations and ±0.05mL tolerance. Calibrated to deliver. Burette measures 17.5" long with a 10mm (0.4") 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.