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.
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.
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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, Wide Neck
High quality flat bottom boiling flasks with a wide 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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Boiling Flask, Flat Bottom, Ground Joints, United Scientific
Boiling flasks with ground glass joints are made from low-expansion borosilicate glass.