Round Bottom Flask

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Round Bottom Flask
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  • PYREX Round Bottom Boiling Flasks

    Corning

    Short neck Heavy wall PYREX round bottom boiling flasks have full-length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and…

  • SYNTHWARE Microscale Round Bottom Flasks

    Kemtech America

    RounRound 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,

  • Borosilicate Glass Round Bottom Boiling Flasks with Ground Glass Joints

    United Scientific Supplies

    Boiling, round bottom flasks with ground glass joints. Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. Ideal for boiling, heating and mixing in the laboratory.

  • Flasks, Heavy Wall, Round Bottom, Single Neck, 500mL to 1L

    Chemglass

    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 different capacity single neck round bottom flasks.

  • Borosil® Round Bottom Boiling Flasks

    Borosil

    Borosil® Round Bottom Boiling Flasks have uniform wall thickness for even heat distribution. Constructed from stress-free borosilicate. Borosil® Boiling Flasks are heat-resistant. Built to withstand the demands of the modern lab, each flask has a flame-polished, beaded rim for added…

  • SYNTHWARE Round Bottom Flasks

    Kemtech America

    SYNTHWARE 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.

  • Round Bottom Flasks with Threaded Standard Taper Joint

    Wilmad-LabGlass - SP Scienceware

    These borosilicate glass single neck round bottom flasks have a threaded Standard Taper 14/10 outer joint. They come with one 20-400 open top nylon screw cap and one size 014 Viton® O-ring.

  • Angled Three Neck Round Bottom Flask

    DWK Life Sciences (Kimble)

    Three-neck heavy wall round-bottom flask with Standard Taper outer joints Side necks are angled Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • Single Standard Taper Neck Heavy Wall Round Bottom Flasks

    DWK Life Sciences (Kimble)

  • Oval Stir Bars

    Globe Scientific

    Produced from PTFE For efficient stirring in round bottomed flasks

  • SYNTHWARE Round Bottom Two Neck Flasks

    Kemtech America

    SYNTHWARE round bottom, heavy wall, two neck flasks with standard taper outer joints on both the center neck and the angled side neck. All sizes are hand blown from tubing to ensure uniform wall thickness.

  • SYNTHWARE Round Bottom Flasks with Threaded Side Inlets

    Kemtech America

    SYNTHWARE round bottom, heavy wall, flask with standard taper outer joint and threaded side port. All sizes are hand blown from tubing to ensure uniform wall thickness. Side port is for insertion of thermometer or bleed tube having an O.D. between 5mm and 7.5mm.

  • PYREX Round Bottom Boiling Flasks

    Corning

    Round bottom Short ring neck These PYREX® round bottom boiling flasks have short ring necks. These ring neck boiling flasks are precisely tooled for uniform stopper fit. The reinforced rim increases mechanical strength. These flasks are used in applications requiring rigid stoppering…

  • Round Bottom Flask Stand

    United Scientific Supplies

    Molded in Polypropylene, this flask stand gives a stair-like top view. Every step provides excellent support to the round bottom flask at every point of contact. This flask stand can hold round bottom flasks up to 10,000ml capacity. This stackable flask stand can also be autoclaved.

  • SYNTHWARE Round Bottom Flasks with Spherical Socket Joints

    Kemtech America

    SYNTHWARE round bottom boiling flasks with spherical socket joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness. These flasks can be used as replacements for the collection flask on rotary evaporators.

  • Flasks, Heavy Wall, Round Bottom, Long Necks

    Chemglass

    Round bottom, HEAVY WALL single long neck flask with a standard taper outer joint.

  • Minum-Ware® Round Bottom 3-Neck Flasks

    Chemglass

    Micro round bottom 3-neck flask with all 14/10 threaded outer joints. Supplied complete with open-top screw caps (MW-102-33) and Viton O-rings (MW-100-08).

  • SYNTHWARE Round Bottom Flasks with Joint Hooks

    Kemtech America

    SYNTHWARE round bottom, heavy wall, single neck flask with a standard taper outer joint. All sizes are hand blown from tubing to ensure uniform wall thickness. Flask has two hooks 180° apart for use with stainless steel joint springs.

  • Heavy Wall Oval-Shaped Round Bottom Flasks

    Across International

    Ai 24/40 standard taper joint, heavy wall oval-shaped, round bottom flask.

  • Borosil® Round Bottom Boiling Flasks with Interchangeable Joint

    Borosil

    Borosil® Round Bottom Boiling Flasks have uniform wall thickness for even heat distribution. Constructed from stress-free borosilicate. Borosil® Boiling Flasks are heat-resistant. Built to withstand the demands of the modern lab, each flask has a flame-polished, Interchangable Joint, and an…

  • Scienceware® Round Bottom Flask Support

    Bel-Art - SP Scienceware

    Round-bottom flasks of any size up to 10 liters are cradled securely in the stepped concentric rings of this holder. Can be stacked together for convenient storage Polypropylene plastic rack; not affected by spilled acids, alkalis or other corrosive liquids Steam autoclavable at…

  • Flask 1000 ml Cs30

    Corning

    These 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…

  • VITLAB, PFA Round Bottom Flasks

    BrandTech®

    …that greatly simplify cleaning. PFA surface properties offer superior cleanability to glass, PTFE and polypropylene containers, reducing risk of sample carryover in trace analysis applications. Maximum operating temperarture of these PFA round bottom flasks under vacuum is 50°C.

  • 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

  • Flask Boiling Round Bottom 100ml

    DWK Life Sciences (Kimble)

  • 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

  • Three Vertical Neck Round Bottom Flasks

    DWK Life Sciences (Kimble)

    Three-neck heavy wall round-bottom flask with Standard Taper outer joints Side necks are vertical Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • Long Single Neck Heavy Wall Round Bottom Flasks

    DWK Life Sciences (Kimble)

    Single long neck flask with a Standard Taper outer joint Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • Flask, Boiling, Round Bottom, 250ml

    DWK Life Sciences (Kimble)

    KIMAX® round-bottomed boiling flask Reinforced tooled top Designed from ASTM Specification E1403, Type II, Class I, requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • Volumetric Flask Brushes

    Justman Brush

    Angled handle fits easily into flask or bottle necks and bends to allow fitting of brush to container shape. Brushes are mounted on a flexible plastic handle, designed for cleaning Erlenmeyer, Filtering, Kjeldahl, Nephelo, Pear-Shaped, Round Bottom, Flat Bottom, Reaction, and Volumetric flasks.

  • Flask, Round Bottom, Four Neck

    Ace Glass

    Round 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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