Florence Boiling Flask, 5000ml - Flat Bottom - Borosilicate Glass
5,000ml capacity boiling flask made from high quality, heavy duty Borosilicate 3.3 glass. Flask features a flat base for added stability and allows it to sit on level surfaces. Flask features a narrow neck measuring 3.25" in total length, and a beaded rim. The inner diameter of the flask neck measures 1.7" (44mm) and it's outer diameter measures 2.1" (54mm). Flask stands 11.75" tall and is 9" in diameter at it's widest point.
As per DIN ISO 1773 standard. 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.