Boiling Round Bottom 50mL Wide Neck Flask, Beaded Rim, Borosilicate

This 50mL round bottom boiling flask is made from high-quality borosilicate glass appropriate for lab and classroom use. The inside diameter of the flask neck is 1-1/8", and the full bulb diameter is 2". Often used for boiling/heating liquids evenly, these flasks are commonly used in distillation setups. This flask is round on the bottom, and is most effective when held upright by a clamp on a stand, or placed in a cork ring on a level surface.<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.