Boiling flask ,flat bottom ,long narrow neck

Flat bottom boiling flask is a glass container ,which is widely used for heating and reaction vessel in the chemical experiment .Flat bottom flask can be placed directly on the horizontal surface, can not be heated directly, need to be covered with asbestos gasket.

Borosilicate 3.3 Glass

5 ml- 20000 ml

Flat Bottom .long narrow neck

Heat resistant glass

Uniform wall-thickness

High Transparency