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 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.

  • SYNTHWARE Round Bottom Two Neck Reaction Flasks with Glass Stopcock

    Kemtech America

    SYNTHWARE round bottom two neck reaction flask with standard taper outer joints and 2mm bore glass stopcock sidearm. Useful for sample storage and simple reactions. The stopcock has a constant pressure retention device.

  • Single Standard Taper Neck Heavy Wall Round Bottom Flasks

    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

  • HM Lower Hemispherical Heating Mantles

    BriskHeat

    Product Highlights Apply uniform heat to round-bottom flasks Excellent alternative to other heating methods like a bunsen burner Ideal for use with a basket ring stand Low Watt Density Specifications Fiberglass cloth outer shell Uniform, low-watt density…

  • Round Bottom Three Vertical Neck Flasks

    Wilmad LabGlass

    Available in various sizes, these borosilicate glass round bottom flasks have three vertical necks with Standard Taper outer joints. The side necks are 180° apart.

  • Ergoclips

    Mettler Toledo

    …container. Dosing in directly means avoiding transfer errors, thus precious substances can be saved. 1228Z92 ErgoClip helps to position round bottom flasks of Ø min. 46 mm and allows dosing directly into the desired tare container. Dosing in directly means avoiding transfer errors, thus…

  • Angled Three Neck Round Bottom Flask

    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

  • CMUV Electromantles™ for Large Volume Flasks & Funnels

    Electrothermal (Bibby Scientific US)

    Bottom opening accommodates 60° funnels of various diameters Also accepts large capacity round bottom and pear-shaped flasks Large capacity between 10 litres to 22 litres Complete control of heating is provided by 3 separate electrical circuits that enable independent top, middle and bottom

  • PYREX® Kjeldahl Flasks

    Corning

    Round bottom and long neck 30 mL size has square-cut mouth for multiple micro digestions; mouths of larger sizes are tooled for uniform rubber stopper fit. 30 mL flask conforms with ASTM Standard E 147 for microchemical apparatus; 100 mL through 800 mL flasks can be used in ASTM E 258 procedure.

  • SYNTHWARE Round Bottom Vertical Three Neck Flasks

    Kemtech America

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

  • Digi-Mantles

    Electrothermal (Bibby Scientific US)

    …the round bottom flask. Even at an element temperature of 450°C, the outside of the heater cartridge remains "cool-to-the-touch" due to the air flow through ventilation slots beneath and around the rim of the case. The heater cartridge comes in 3 sizes for heating round bottom flasks of capacity…

  • Flask Boiling Round Bottom 500ml

    Kimble

  • 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.

  • 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…

  • Scienceware® Round Bottom Flask Support

    Bel-Art Products

    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 Boiling Round Bottom 250ml

    Kimble

    KIMAX® round bottom boiling flask with a short neck and a medium length Standard Taper joint Designed from ASTM Specification E1403, Type II, Class III requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A…

  • Round Bottom Short Single Neck Flasks

    Wilmad LabGlass

    With excellent chemical durability for contamination free results, these short neck borosilicate glass round bottom boiling flasks have a single neck with a full length Standard Taper outer joint.

  • Three Vertical Neck Round Bottom Flasks

    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

  • Angled Two Neck Round Bottom Flasks

    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

  • Round Bottom Four-Neck Flasks

    Wilmad LabGlass

    Available in various sizes, these borosilicate glass round bottom flasks have four vertical necks - one center neck and three side necks which are 90° apart. All necks have Standard Taper outer joints.

  • Flask Boiling Round Bottom 100ml

    Kimble

  • Round Bottom Flasks with Threaded Standard Taper Joint

    Wilmad LabGlass

    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.

  • Elliptical (Egg-Shaped) Spinbar® Magnetic Stirring Bars

    Bel-Art Products

    …designed especially for use in round-bottom vessels as they spin unrestricted by the vessel contour. Particularly well suited for round bottom flasks; shape ensures complete mixing Offers minimal contact when used in plastic containers Egg shape provides pivot point without a separate…

  • PYREX VISTA Round Bottom Boiling Flasks

    Corning

    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 controlled to provide balance between thermal expansion and mechanical strength for greater shock resistance. The round

  • 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.

  • Two Vertical Neck Round Bottom Flasks

    Kimble

    Distilling round bottom flask with two vertical necks. Two-neck heavy wall flask with Standard Taper outer joints on both vertical necks Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • 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.

  • Flask, Round Bottom, Single Neck

    NDS Technologies

    5 mL 14/20 center neck Single neck round bottom flask with an outer joint.

  • Borosilicate Glass Round Bottom Boiling Flasks

    United Scientific Supplies

    Borosilicate 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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