Dropping Funnel, 250ml, PTFE Key Stopcock, Open Top, Cylindrical, Ungraduated, Cylindrical, 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.

• CYLINDRICAL || Cylindrical glass dropping funnel/separatory funnel with 250ml capacity
• TRANSPARENT & DURABLE || Made of high quality Borosilicate 3.3 glass - Transparency allows for high visibility
• FOR SEPARATION || Used to transfer liquids - Using the stopcock allows fluids, including reagents, to dispense slowly (drop-wise)
• OPEN TOP & STOPCOCK || Fitted with a PTFE key stopcock - Features an open top
• GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use