These Dropping Funnels are properly graduated and are of screw type. Dropping Funnels come with PTFE needle valve interchangeable stopper and have plain stem. They are made up of heat resistant borosilicate glass. These dropping funnels come with different capacities like 50 ml, 100 ml, 150 ml, l 250 ml, 500 ml, 1000 ml. These dropping funnel are a type of laboratory glasswares used to transfer fluids.
They are fitted with a stopcock which allows the flow to be controlled. ... Dropping funnels are usually fitted with a ground glass joint which allows the funnel to fit snugly onto, e.g. a round bottom flask. It is supplied with needle valve interchangeable stopper which is easy to operate and is chemically resistant.
