Separating funnels with PTFE key stopcock comes with interchangeable stopper.It comes in conical or pear shape and has plain stem.It has different capacities like 30ml,60ml, 125ml, 250ml, 500ml, 1000ml and 2000ml. It is made of heat resistant borosilicate glass.This funnel is made up of PTFE which gives it added strength. It is transparent.It is supplied with interchangeable stopper which is easy to operate and is chemically resistant.
Separating funnels, or colloquially sep funnel, is a piece of laboratory glassware used in liquid-liquid extractions to separate (partition) the components of a mixture into two immiscible solvent phases of different densities.
