Flasks

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  • Bidwell-Sterling Moisture Traps with Vapor Connection

    Wilmad LabGlass

    For the determination of water in petroleum and bituminous materials, these borosilicate glass Bidwell-Sterling moisture traps collect liquefied vapor. They feature a connection between top of vapor tube and graduated tube. This construction allows excess solvent to return to flask with minimal…

  • Cylindrical Reaction Vessels with O-Ring Flange

    Wilmad LabGlass

    These borosilicate glass cylindrical reaction vessels have a tooled flat flange with an O-ring groove for a greaseless seal. Suitable for vacuum operation. Wall thickness is uniform throughout flask. Note: Use LG-7316 clamps.

  • Class A Volumetric Flasks

    Wilmad LabGlass

    These borosilicate glass volumetric flask sizes comply with requirements for Type 1, Class A "Unserialized flasks". They are supplied with a standard taper penny head glass stopper. Calibrated "to contain" at 20°C. Reference: ASTM E288 and Federal Specifications NNN-F-289.…

  • Cylindrical Reaction Vessels with Flat Flange

    Wilmad LabGlass

    These borosilicate glass cylindrical reaction vessels are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. There is a gently sloping contour at junction of side wall and bottom, thus preventing…

  • Class A Volumetric Heavy Duty/Wide Mouth Amber Flasks with Glass Stopper

    Wilmad LabGlass

    Calibrated "to contain" (TC) at 20°C and amberized for light sensitive studies, these Class A, borosilicate glass, wide mouth flasks are designed to provide pipette access along with facilitating filling and sampling. Unique flat bottom interior permits use of a standard stir bar. The…

  • General Purpose Distilling Apparatus

    Wilmad LabGlass

    These borosilicate glass apparatus are used in general purpose and phenol distillation. They are useful for batch production of high purity water. Complete unit consists of a flask with a flat bottom and distillation head having Standard Taper 19/38 joint, Standard Taper Stopper, and Graham style…

  • VirTis® Style Extra Wide Freeze Drying Flasks

    Wilmad LabGlass

    Made of borosilicate glass, these freeze drying flasks are used with VirTis® lyophilizing equipment. Openings are extra-wide for efficient shell freezing and suited for bulky samples. Wall thickness of flask is designed for vacuum applications. These flasks are supplied with a nylon translucent…

  • 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.

  • Cylindrical Jacketed/Indented Reaction Vessels, O-Ring Flange

    Wilmad LabGlass

    These borosilicate glass reaction vessels are jacketed with 1/2" hose connectors. They have four indentations for improved stirring and a tooled flat flange with an O-ring groove for a greaseless seal.

  • 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.

  • Cylindrical Jacketed Reaction Vessels with O-Ring Flange

    Wilmad LabGlass

    These cylindrical borosilicate glass reaction vessels are jacketed with 1/2" hose connections. They have a tooled flat flange with an O-ring groove for a greaseless seal. Suitable for vacuum operation. Wall thickness is uniform throughout flask. NOTE: Use LG-7316 clamps.

  • Laboratory Grade Cylindrical Dewar Flasks

    Wilmad LabGlass

    For routine use. Furnished silvered, evacuated and with aluminum base. Not for transportation of Liquid Nitrogen. Properties Capacity mL: 1000 Inside Diameter Inches: 2-11/16 Inside Depth Inches: 11-7/8

  • 3 Neck Flat Flange Reaction Vessel Cover

    Wilmad LabGlass

    Featuring a center neck and two side necks with full length outer Standard Taper joints, this borosilicate glass 3-neck reaction vessel lid/cover has a flat flange. For use with large capacity cylindrical reaction vessels, 2000mL, 3000mL and 4000mL (LG-8082, LG-8084, LG-8085, and LG-8089). Flange…

  • Conical Flange Vessel Clamp

    Wilmad LabGlass

    This clamp is designed for reaction vessels/kettles with a conical flange. The top clamp is easily removed without disturbing the cover or body of reaction flask. Disassemble by loosening nuts. Includes extension rod for clamping to a laboratory stand. NOTE: Use with LG-8010 to LG-8050 vessels…

  • Class A Volumetric Flasks, Heavy Duty, Wide Mouth, Glass Stopper

    Wilmad LabGlass

    Calibrated "to contain" (TC) at 20°C, these Class A, borosilicate glass, wide mouth flasks are designed to provide pipette access along with facilitating filling and sampling. Unique flat bottom interior permits use of a standard stir bar. The heavy wall thickness gives greater…

  • Stainless Steel McCarter Reaction Clamps

    Wilmad LabGlass

    Used to connect two pieces of glass with flat flanges of the same diameter, these stainless steel horseshoe-shaped clamps are uniquely designed. Adjustable tension springs that secure even pressure over the flange area, may be slid on or off easily - thus facilitating assembly and disassembly of…

  • 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.

  • Calibration/Measuring Flasks, TD U.S. Customary System

    Wilmad LabGlass

    Borosilicate glass cylinders and flasks are as specified in NIST Handbook 105-2 as a set of U.S. Customary field standard flasks. All sizes are calibrated "to deliver" (TD) at 68°F/20°C (10 second drain).

  • Cylindrical Reaction Kettles

    Wilmad LabGlass

    Cylindrically shaped, the upper end of these borosilicate glass reaction kettles are tooled to obtain a thickened portion and flat top.The finely ground tops create a leak-proof fit with covers LG-8030 to LG-8050, ML-1285 and ML-1286.

  • Class A Volumetric Flasks with Plastic Stopper

    Wilmad LabGlass

    These borosilicate glass volumetric flasks are provided with a plastic closed-bottom stopper which fits the Standard Taper ground zone. Stopper design prevents the neck from breaking if flask is tipped over. Calibrated "to contain" (TC) at 20°C.

  • 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.

  • 3 Neck O-Ring Flange Reaction Vessel Cover for Size 359 O-Rings

    Wilmad LabGlass

    Featuring a center neck and two side necks with full length outer Standard Taper joints, this borosilicate glass 3-neck reaction vessel lid/cover has an 6-5/8" flange O.D. and comes with a size 359 O-ring. Designed to be used with 2000mL, 3000mL, and 4000mL cylindrical reaction vessels…

  • Jacketed Indented Cylindrical Reaction Vessel with Flat Flange

    Wilmad LabGlass

    These jacketed, cylindrical borosilicate glass reaction vessels have four indentations for improved stirring. They are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. Jacket has 1/2" hose…

  • Jacketed Cylindrical Reaction Vessels with Flat Flange

    Wilmad LabGlass

    These jacketed, cylindrical borosilicate glass reaction vessels are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. There is a gently sloping contour at junction of side wall and bottom, thus…

  • Suprasil Offset Nitrogen Dewar Flask for Bruker

    Wilmad LabGlass

    These Dewar Flasks provide a convenient alternative to VT systems for studies at 77 K, and are silvered around the reservoir. 150mL flask lasts 60 minutes after a filling Offset reservoir is designed for cavities that have limited space between the reservoir and the drive shaft for the iris

  • 4 Neck O-Ring Flange Reaction Vessel Covers for Size 359 O-Rings

    Wilmad LabGlass

    Featuring a center neck and three side necks with full length outer Standard Taper joints, this borosilicate glass 4-neck reaction vessel lid/cover has a 6-5/8" flange O.D. and comes with a size 359 O-ring. Designed to be used with 2000mL, 3000mL, and 4000mL cylindrical reaction vessels…

  • Class A Volumetric Flasks, Heavy Duty, Wide Mouth, PTFE Stopper

    Wilmad LabGlass

    Calibrated "to contain" (TC) at 20°C, this Class A, borosilicate glass, wide mouth flask is designed to provide pipette access along with facilitating filling and sampling. Unique flat bottom interior permits use of a standard stir bar. The heavy wall thickness gives greater…

  • Filter Flask with Stopper Joint

    Wilmad LabGlass

    This borosilicate glass heavy wall filtering flask can be used with FILTERWARE® Filtration Apparatus (LG-1755). Supplied with a silicone stopper with 9/16" hole and a #2 hose connection, the 4000mL flask has 1/2" connections.

  • Class A Kohlrausch Volumetric Flasks

    Wilmad LabGlass

    Calibrated "to contain" at 20°C, the upper neck of these borosilicate glass flasks are enlarged to permit easy introduction of solids. Each flask is provided with a marking spot in addition to a serial number. NOTE: Supplied with Certificate of Compliance

  • Monier-Williams Sulfites Distilling Apparatus

    Wilmad LabGlass

    Used for the determination of sulfites in food and related product, this Monier-Williams Sulfites distilling apparatus is made of borosilicate glass and has Standard Taper 24/40 outer and inner joints. The complete unit consists of a special outlet adapter with a double bend, a 300mm long Allihn…

  • Class A Volumetric Flasks, Unstoppered

    Wilmad LabGlass

    These borosilicate glass volumetric flask sizes comply with requirements for Type 1, Class A "Unserialized flasks". They feature a heavy neck to accept Standard Taper glass stoppers (not included). Calibrated "to contain" (TC) at 20°C. Reference: ASTM E288 and Federal…

  • Calibration/Measuring Flask Set Supplements, TC Metric System

    Wilmad LabGlass

    These borosilicate glass graduated neck flasks come in sizes to supplement our official metric series, LG-4317. Additional sizes can be supplied on request. Calibrated "to contain" at 68°F/20°C.

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