Pressure Equalizing Addition Funnel with PTFE stopcock 24/29 Joint Borosilicate Glass Graduated Dropping Funnel for Laboratory (50ML)

1.Pressure Equalizing Addition Funnel is commonly used in general closed system experiments and experiments that require dripping solutions; it is mainly connected with reaction vessel to drop solution, which can isolate the air, prevent solvent from volatilizing, and speed up experiment process. 2.The funnel adopts a PTFE piston and be capable of flexibly controlling liquid outflow. Commonly used in reactions to control the amount of liquid added or to separate the liquid after extraction. 3.The scale of the funnel is clear and is great for controlling the flow on fluid transfers that require a high degree of accuracy. 4.The funnel is made of borosilicate glass, with a maximum tolerance temperature of 600℃ and a minimum tolerance temperature of -180℃. 5.The funnel adopts standard frosted mouth ，Delicate frosted, good sealing, versatile for general use.