It comes in various capacities according to the requirement. It is made of heat resistant borosilicate glass.It is conical flask with narrow mouth having interchangeable stopper.It has uniform wall thickness which makes it ideal for heating. It has easy-to-read scale and large labelling field which facilitates easy marking.
This flask body is specially blown and accurate bore tubing is used for the neck. Ground glass joints are used to quickly and easily fit leak-tight apparatus together from commonly available parts.It has interchangeable stopper which is easier to replace.
