Glass Stoppers

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Glass Stoppers
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  • Safe-Lab® Glass Stopper 29/42

    Bel-Art - SP Scienceware

    Interchangeable with penny head stoppers. Use with boiling and distilling standard tapered flasks. These lightweight, hollow, borosilicate glass stopper have a flat hex head for easy gripping. Includes extracting nut for safe removal from flasks with ground joints Chemical resistant and…

  • PYREX® Solid Glass Pennyhead Standard Taper Stoppers

    Corning

    Pennyhead stoppers are generally used in flasks and separatory funnels.

  • PennyHead Glass Hollow Stoppers

    Across International

    Ai 24/40 pennyhead glass hollow stopper. Glass material: high borosilicate glass 3.3.

  • PYREX® Standard Taper Hollow Glass Stoppers

    Corning

    …Grooves in the sides help prevent slippage. The flat top allows the stopper to stand on its head, which frees the user’s hand and minimizes potential contamination. This stopper is interchangeable with other common flask stoppers and fits all standard labware of comparable standard taper size.

  • SYNTHWARE Flask-Length Glass Penny-Head Stoppers

    Kemtech America

    Penny-Head Stopper, Flask Length, Synthware, Various Joint Sizes Available.

  • Borosil® Amber Solid Penny Head Glass Stoppers

    Borosil

    Borosil® Amber Solid Penny Head Glass Stoppers are with Interchangeable Ground Joint and can be used with Volumetric Flask of 5645, 5647 families or for other suitable joints. Manufactured with low extractable quality grade USP Type I, 3.3 Borosilicate Glass confirming to ASTM E438 Class A…

  • SYNTHWARE Spherical Glass Penny-Head Stoppers

    Kemtech America

    Penny-Head Stopper,Glass, Sperical Joint, Synthware, Joint: 35 socket, Hollow stopper for use with spherical socket joint.

  • Borosil® Solid Penny Head Glass Stoppers

    Borosil

    Borosil® Solid Penny Head Glass Stoppers are with Interchangeable Ground Joint and can be used with Volumetric Flask of 5645, 5647 families or for other suitable joints. Manufactured with low extractable quality grade USP Type I, 3.3 Borosilicate Glass confirming to ASTM E438 Class A…

  • SYNTHWARE Solid Glass Penny-Head Stoppers

    Kemtech America

    Penny-Head Stopper, Glass, Solid, Synthware, Various Joint Sizes Available.

  • KIMAX Class A Micro Burets With Integral Reservoir

    DWK Life Sciences (Kimble)

    …to the accuracy requirements found in ASTM specification E 694 Kimax precision bore buret has a side filling tube with a separate stopcock to control liquid within the permanently attached reservoir, approximately 70 mL in capacity. Reservoir stopper is medium length Standard Taper 14/20.

  • Low Actinic Red Stained Glass Stoppers

    Chemglass

    Flask length solid penny head stopper with low actinic red stain.

  • PYREX® Squibb Separatory Funnels With Glass Stopper

    Corning

    Glass stopcock and glass stopper Stem length of 65 mm

  • Test Tubes With Glass Stoppers

    DWK Life Sciences (Kimble)

    Made from KIMAX KG-33 glass tubing Round bottom and slightly constricted neck with Standard Taper solid ground glass stoppers Tubes have a sand-blasted spot for marking 100 x 13 mm size test tubes include No. 9 Standard Taper stopper; 150 x 16 and 150 x 19, No. 13; 175 x 22 and 200 x…

  • Stoppers, PTFE-Clad Glass, Spherical

    Ace Glass

    Hollow glass spherical stoppers, PTFE-Clad to provide the ultimate in no-jam engagement.

  • Parts & Accessories for R-Series Glass Reactors

    Across International

    Glass Condenser Port Hollow Stopper Glass condenser port hollow stopper specially made for Ai R series 10L, 20L, 50L and 100L glass reactors. Insulation Jackets High quality thermo insulation jacket with open/close viewing window and top/bottom adjustable drawstrings, specially designed…

  • GLASS PENNYHEAD STOPPER 19/22

    DWK Life Sciences (Kimble)

  • Glass Stoppered Bottles

    Corning

    Narrow mouth PYREX® with glass stopper With ground neck With ground glass stoppers 125 mL and 250 mL bottles are furnished with a number 19 Standard Taper stopper; 500 mL bottles are furnished with a number 24 Standard Taper stopper; 1,000 mL and 2,000 mL bottles are…

  • PYREX® Brand Economy Volumetric Flasks With Barrel-Shaped, Glass Stopper

    Corning

    Calibrated "to contain" at 20°C Accuracy tolerances approximately twice those specified for Class A

  • Globe Style Separation Funnels with Glass Stopper and Stopcock

    Wilmad-LabGlass - SP Scienceware

    This borosilicate glass pear-shaped separatory funnel is supplied with a Standard Taper glass stopper and a Standard Taper glass stopcock.

  • Volumetric Flask, Class A, with Glass Stopper, Individually Certified

    United Scientific Supplies

    Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Individually serialized and certified.

  • Safety Coated Glass Stoppered Reagent Bottles

    Corning

    …Borosilicate glass safety bottles provide good optical clarity and are mechanically durable. Can be marked with either permanent or temporary markers. 125 mL and 250 mL bottles are furnished with a number 19 stopper; 500 mL bottles are furnished with a number 24 stopper; 1,000 mL and 2,000…

  • Stopper, Glass

    Ace Glass

    Ground glass stopper for 7/10 or 14/20 joint, for use with microscale equipment.

  • 10 ml Vacule With 22-350 Cap

    DWK Life Sciences (Wheaton)

    …and freeze-drying. Manufactured from Wheaton 33 low extractable clear borosilicate glass that conforms to ASTM Type I, Class A and USP Type I requirements. Vacule vials have controlled ID, for accurate stopper fit. Designed for lyophilization and freeze- drying applications 4, 5 and 10 mL size…

  • Glass Pennyhead Stoppers

    DWK Life Sciences (Kimble)

    Solid pennyhead stopper for volumetric flasks, centrifuge tubes, etc. Meets ASTM Standard E 694.

  • Stopper

    DWK Life Sciences (Kimble)

    These stoppers are used as an accessory for microscale threaded Standard Taper 14/10 kits. Pennyhead stopper sizes 10/18 through 19/22 are solid borosilicate glass Sizes 24/25 and larger are hollow borosilicate glass Manufactured from 33 expansion, low extractable borosilicate glass

  • Stoppers, Glass, Full Length

    Ace Glass

    Full length glass stoppers available in a variety of joint sizes. Joint sizes 7/25 and 10/30 are solid glass, others sizes are hollow glass.

  • Reaction Bottles, for Hydrogenation/Gas Apparatus

    Ace Glass

    Borosilicate glass bottles with tooled neck to accept a #6 Rubber stopper. Bottles are epoxy coated to help prevent scratching. Bottles and stoppers sold separately. Working capacity is 1/2 actual capacity. Rated at 60 psi @ 20°C.

  • SYNTHWARE Hollow Glass Penny-Head Stoppers

    Kemtech America

    Penny-Head Stopper, Glass, Hollow, Synthware, Various Joint Sizes Available, heavy wall design.

  • Flasks, Volumetric, Class A, Glass Stoppers

    Chemglass

    Flasks are manufactured to conform to Federal Specifications NNN-F-289 for Type 1, Class "A" unserialized flasks and ASTM E-288. Supplied complete with one solid glass pennyhead stopper. For additional stoppers, see CG-3018.

  • Stopper Size 19/38

    DWK Life Sciences (Kimble)

    Stoppers are used with laboratory glassware such as flasks and separatory funnels. Sizes Standard Taper 10/30 through Standard Taper 19/38 are solid Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • Weighing Bottles, Low Form With Glass Stopper

    DWK Life Sciences (Kimble)

    Low Form, KIMAX® Brand (Kimble 15165) Of borosilicate glass, with Standard Taper glass stopper. Bottom part of stopper is sealed. Designed from Federal Specification NNN-B-1493. Dimensions indicated in table are i.d. x height without cap.

  • Stopper No. 22 Cs 6

    DWK Life Sciences (Kimble)

    Name Linear High Density Polyethylene Stopper Stopper Size 22 Shelf-Pack Qty 1 Case Qty 6   ·          These yellow and blue stoppers have a closed bottom ·…

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