EISCO Dropping Funnel, 250ml - PTFE Key Stopcock, Open Top, Cylindrical - Ungraduated - Borosilicate Glass

This premium quality dropping funnel allows the user to add reagents slowly, one drip at a time. The funnel is fitted with a PTFE stopcock that allows maximum control over drip rate to prevent reactions that may occur if the reagent is added too aggressively. It has a 2.12" diameter and is 13" tall. The interior diameter of the spout is .25" and it measures 3" from the stopcock to the end. 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.Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. 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.

• Premium Borosilicate Glass Dropping Funnel
• Open top, cylindrical shape
• 250 ml capacity fitted with PTFE key stopcock
• Great for controlling the flow on fluid transfers that require a high degree of accuracy.
• 2.13" diameter with a 13" length