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, Narrow Neck
Supplier: Wards
High quality flat bottom boiling flasks with a narrow neck design.
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Boiling Flask, Flat Bottom, Ground Joints, United Scientific
Supplier: United Scientific Supplies
Boiling flasks with ground glass joints are made from low-expansion borosilicate glass.
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Boiling Flasks, Flat Bottom, Borosilicate Glass, United Scientific Supplies
Supplier: United Scientific Supplies
Flat bottom flasks for resting on the tabletop.
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Flasks, Flat Bottom, Long Necks, Chemglass
Supplier: Chemglass
Single neck, flat bottom flask with a standard taper outer joint.
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PYREX® Flasks, Flat Bottom, Glass, Low Actinic, with Standard Tapered Joints, Corning
Supplier: Corning
PYREX® low actinic glass, short neck.
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Flasks, Heavy Wall, Apollo, Single Neck, Chemglass
Supplier: Chemglass
Heavy wall single neck flask with a standard taper outer joint.
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Flasks, Flat Bottom, Amber, Heavy Wall, ChemScience
Supplier: CHEM SCIENCE INC CA
Heavy wall single neck, flat bottom flask with an outer joint.
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Quartz Flat Bottom Flasks, Chemglass
Supplier: Chemglass
Single neck flat bottom Quartz flask with Standard taper outer joint.
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Freeze Dry Flasks, Chemglass
Supplier: Chemglass
These flat bottom borosilicate flask can be used with Labconco and Virtis freeze dryers.
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PYREX® Flat-Bottom Boiling Flasks, Long Neck, Corning
Supplier: Corning
Manufactured from borosilicate glass.
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Flasks, Flat Bottom, Single Neck, Chemglass
Supplier: Chemglass
Single neck, flat bottom flask with a standard taper outer joint.
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Borosil® Borosilicate 3.3 Low Expansion Glass, Round Bottom Boiling Flask
Supplier: Foxx Life Sciences
Borosil® round bottom boiling flask.
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PYREX® Boiling Flasks, Florence, Flat Bottom, Long Neck, with Standard Taper Joint, Corning
Supplier: Corning
PYREX® borosilicate glass, long neck.
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Eisco LabGlass® Boiling Flasks, Flat Bottom with Threaded Joint
Supplier: Wards
High quality flat bottom boiling flasks for chemistry classrooms and laboratories.
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PYREX® Boiling Flasks, Flat Bottom, Short Neck, Standard Taper Joint, Corning
Supplier: Corning
PYREX® borosilicate glass, clear, with short neck.
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Catalog #: CA21905-026
: Kimberly-Clark