Lab Boiling Flasks & Tubes
Boiling flasks, typically borosilicate glass, offer excellent thermal resistance and chemical stability. Their round bottoms allow for even heat distribution, ensuring consistent results. Some flasks feature reinforced rims for durability and narrow necks to accommodate stoppers or reflux setups. This design minimizes the risk of spillage and contamination.
Boiling tubes, on the other hand, are smaller and more versatile. They are perfect for heating small samples and conducting qualitative experiments. The uniform thickness of the glass ensures safe and uniform heating, while the open ends facilitate easy sample access and cleaning.
Available in various sizes and configurations, boiling flasks and tubes can meet a range of experimental needs. Accessories such as stoppers, clamps, and heating mantles enhance their functionality and convenience, providing a comprehensive solution for laboratory heating tasks. These products are compatible with standard lab equipment, ensuring seamless workflow integration.
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SYNTHWARE Round Bottom Flasks
Kemtech AmericaSYNTHWARE round bottom boiling flasks with full length standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness.
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Florence Boiling Flasks
EiscoMade of high quality, heavy duty borosilicate glass Narrow neck, flat bottom, beaded rim Perfect for any science or home laboratory Florence boiling flask made out of high quality, heavy duty borosilicate glass. Narrow neck, beaded rim and flat bottom. No stopper included. Autoclavable, with…
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Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for larger capacity round bottom flasks.
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Round bottom, HEAVY WALL single short neck flask with a spherical socket joint. Flasks having a 35/20 socket joint are used as replacements for the collection flask on rotary evaporators.
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Round Bottom Three Vertical Neck Flasks
SP Wilmad-LabGlassAvailable in various sizes, these borosilicate glass round bottom flasks have three vertical necks with Standard Taper outer joints. The side necks are 180° apart.
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Flask Boiling Flat Bottom 250ml
DWK Life Sciences (Kimble)KIMAX boiling flask with a short joint neck. Designed from ASTM Specification E1403, Type I, Class 4 requirements.
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Flasks, Heavy Wall, Apollo, Single Neck
ChemglassHEAVY WALL single neck flask with a standard taper outer joint. Low profile design allows the flask to sit upright on the bench and also permits easy access of products with a spatula or policeman. The flask contour is excellent for controlled evaporation of foaming solvents during rotary evaporation.
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Flask 1000 ml Cs30
CorningThese 1L PYREX® round bottom boiling flasks have long necks with tooled mouths and take a No. 8 rubber stopper. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for…
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SYNTHWARE Flat Bottom Flasks
Kemtech AmericaSYNTHWARE flat bottom boiling flasks with full length standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness.
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Round Bottom Boiling Flasks, SJ Joint, Heavy Wall, with Plastic Safety Coating
DWK Life Sciences (Kimble)KimCote® plastic-coated single neck flask with a SJ socket joint. Useful as rotary evaporator condensate collection flask or as a replacement for European designation KS 20/35.
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ValueWare® Flat Bottom Flasks, Florence, Reinforced Beaded Top
DWK Life Sciences (Kimble)Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use.…
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Flask, Round Bottom, Three Neck
Ace GlassRound bottom flasks, three vertical necks, standard taper outer joints, standard and heavy wall. Flasks feature a flare-out directly below the center joint to facilitate cleaning and removal of stir blades.
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These PYREX(r) pear-shaped boiling flasks have full length outer 14/20 Standard Taper joints and are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance.…
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SYNTHWARE Pear Shaped Flasks
Kemtech AmericaSYNTHWARE pear shaped, heavy wall, two neck flasks with an angled side neck. All joints are standard taper outer joints. All sizes are hand blown from tubing to ensure uniform wall thickness.
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Flask, Round Bottom, 3 Neck, Angular
United Scientific SuppliesUnited Scientific™ three-necked boiling flasks with ground glass 24/40 joints are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. 24/40 ground glass joints Available in four capacities Made from…
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Flask, Single Neck, Spherical, Receiving
Ace GlassWith short neck and outer joint. Available in standard and heavy wall. Heavy wall approximately 30% heavier than standard wall.
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Borosilicate Glass Round Bottom Boiling Flasks
United Scientific SuppliesBorosilicate Glass Round Bottom Boiling Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack.
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SYNTHWARE Pear Shaped Flasks
Kemtech AmericaSYNTHWARE pear shaped, heavy wall, single neck flasks with a standard taper outer joint. All sizes are hand blown from tubing to ensure uniform wall thickness.
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SYNTHWARE Microscale Round Bottom Flasks
Kemtech AmericaRounRound Bottom Flask, One Neck, Threaded, Synthware, Capacity: 5, 10, and 25mL, Joint: 14/10, Supplied with one open top compressioncap and one size 014 Viton O-ring and one PTFE-faced septad Bottom Flask, One Neck, Threaded, Synthware, Capacity: 5,
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Flask, Two Necks, Angled
Ace GlassRound bottom with outer joints and side neck angled. Available fabricated with heavy walls, approximately 30% heavier than regular wall flasks.,/p>
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Borosilicate Glass Flat Bottom Boiling Flasks
United Scientific SuppliesBorosilicate Glass Flat Bottom Boiling Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack.
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SYNTHWARE Round Bottom Angled Four Neck Flasks
Kemtech AmericaSYNTHWARE round bottom, heavy wall, four neck flasks with standard taper outer joints on both the center neck and the angled side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.
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Single Neck Flat Bottom Flasks
ChemglassSingle neck, flat bottom flask with a standard taper outer joint.
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Round bottom flasks, three vertical necks, spherical outer joints. Available in standard and heavy wall.
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Flask, Round Bottom, Four Neck
Ace GlassRound bottom flask with four necks arranged 3 in-line and one at 90 degrees. 500ml and smaller flasks have angled side necks while larger sizes feature vertical necks. Available in heavy wall.
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Single Standard Taper Neck Heavy Wall Round Bottom Flasks
DWK Life Sciences (Kimble)Single neck flask with a Standard Taper outer joint Heavy wall Ref: ASTM Method D95 Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Round bottom, HEAVY WALL single long neck flask with a standard taper outer joint.
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These PYREX(r) pear-shaped boiling flasks have full length outer 24/40 Standard Taper joints and are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance.…
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Angled Two Neck Round Bottom Flasks
DWK Life Sciences (Kimble)Two-neck heavy wall flask with Standard Taper outer joints Side neck is angled Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Quartz single neck round bottom flask with standard taper outer joint.
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