Flat Bottom Flasks
Flat bottom flasks for heated chemical reactions or distillations are offered at Avantor. Borosilicate glass models feature heavy wall construction in an array of capacities. Select a short or long neck flask to suit your purpose. A reinforced standard taper (24/40) outer joint is offered for most models, however some options do feature other joint sizes. Some flat bottom flasks conform to ASTM requirements. Purchase items individually or in packs.
Eisco LabGlass® Boiling Flasks, Flat Bottom, Wide Neck
High quality flat bottom boiling flasks with a wide neck design.
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Eisco LabGlass® Boiling Flasks, Flat Bottom, Narrow Neck
High quality flat bottom boiling flasks with a narrow neck design.
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Eisco LabGlass® Boiling Flasks, Flat Bottom, Interchangeable Joint
High quality flat bottom boiling flasks with ground, interchangeable joint.
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PYREX® Flat-Bottom Boiling Flasks, Long Neck, Corning
Manufactured from borosilicate glass.
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Eisco LabGlass® Boiling Flasks, Flat Bottom with Threaded Joint
High quality flat bottom boiling flasks for chemistry classrooms and laboratories.