Flat Bottom Florence Boiling Flask, 250mL: Narrow neck, Beaded Rim

250ml Flat bottom Florence boiling flask made of heavy duty borosilicate glass. Flask has a flat bottom. Long neck, Stopper not included. The flask is ideal for dealing with liquids at different temperatures due to its thick-walled design. It is easy to use in any lab with its flat bottom, narrow neck, and beaded rim.<br> 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.<br><br><b>Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.</b><br> Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.