Ground Glass Stopper

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Ground Glass Stopper
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  • glass. Thick, uniform walls, excellent heat resistance, and rounded bottoms mean these tubes can be reused without issue. Each tube is graduated in metric units, and comes with a standard taper glass stopper. Borosil® Reusable Heavy Duty Test Tubes with Graduations and Glass Stoppers are…

  • Ground Glass Wide Mouth Stoppered Bottles

    DWK Life Sciences (Wheaton)

    Wide mouth bottles Ideal for solids and viscous liquids Bottles are designed for easy cleaning in dishwasher or with a brush Specially designed rim prevents fluids from running down the outside of the bottle Wheaton 400 borosilicate glass Standard Taper stopper size indicated in listings.

  • 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.

  • 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…

  • Features a no-drip pour lip for easy pouring of contents Stopper protects contents from airborne contaminants Low-profile provides added safety when stored or in laboratory use Amber bottles are of Wheaton 33 borosilicate glass (USP Type I). Amber bottles protect light-sensitive samples during…

  • Features a no-drip pour lip for easy pouring of contents Stopper protects contents from airborne contaminants Low-profile provides added safety when stored or in laboratory use Clear bottles are of Wheaton 33 borosilicate glass (USP Type I).

  • 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. Our volumetric flasks feature QR code integration to…

  • Stopper, Glass

    Ace Glass

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

  • …volumes of HPLC solvents. The ground glass connection eliminates the possibility of phthalate contamination that can occur when using silicone or neoprene stoppers Each apparatus is supplied with 1000 mL funnel; 90 mm, 40-60 micron porosity, fritted glass support base; anodized aluminum clamp;…

  • 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…

  • …vessel. The shape of the stopper allows manual or machine shaking and avoids solution leakage. For manual shaking, the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a…

  • …vessel. The shape of the stopper allows manual or machine shaking and avoids solution leakage. For manual shaking, the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a…

  • 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. Batch certified.

  • …vessel. The shape of the stopper allows manual or machine shaking and avoids solution leakage. For manual shaking, the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a…

  • …vessel. The shape of the stopper allows manual or machine shaking and avoids solution leakage. For manual shaking, the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a…

  • …vessel. The shape of the stopper allows manual or machine shaking and avoids solution leakage. For manual shaking, the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a…

  • Stopper No. 13 Cs 6

    DWK Life Sciences (Kimble)

    Yellow and blue closed-bottom linear high-density polyethylene stopper to fit in the ground glass neck Enlarged flange on stopper is designed to protect the glass if tipped over Size: 13 Case of 6

  • …graduation ring blasted on the neck 850100 Standard Taper ground glass pennyhead stopper included Designed from ASTM Specification E288, Class A requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A…

  • …volumes of HPLC solvents. The ground glass connection eliminates the possibility of phthalate contamination that can occur when using silicone or neoprene stoppers Each apparatus is supplied with 1000 mL funnel; 90 mm, 40-60 micron porosity, fritted glass support base; anodized aluminum…

  • Flask Volumetric Class A with Stopper

    DWK Life Sciences (Kimble)

    KIMAX flask with a graduation ring blasted on the neck. Calibrated to contain. With a marking spot ground glass stopper is supplied. Mixing bulb in the neck, between the stopper and capacity ring, contains Approximately one tenth of the capacity of the body to aid in dissolving or mixing the…

  • 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…

  • 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…

  • Stopper No. 16 Cs 6

    DWK Life Sciences (Kimble)

    Replacement part for items that are ground to stopper dimensions. Yellow and blue stopper has a closed bottom. The enlarged flange is designed to protect the neck if the glass object is tipped over.

  • Colorware Class A Flasks

    DWK Life Sciences (Kimble)

    …Taper ground glass stopper is supplied, along with a durable, color, matte finish marking area for use with an ordinary pencil Replacement stopper is 850100 Designed from ASTM Specification E288, Class A requirements Manufactured from 33 expansion, low extractable borosilicate glass

  • Stopper No. 19 Cs 6

    DWK Life Sciences (Kimble)

    Replacement part for items that are ground to stopper dimensions. Yellow and blue stopper has a closed bottom. The enlarged flange is designed to protect the neck if the glass object is tipped over.

  • …borosilicate glass, has deep, bell-shaped, flaring lip. Elongated ground glass stopper has attached U-shape platinum wire gauze sample carrier. Specially cut, unsized paper sheets serve as low ash wrappers for the sample (see Thomas number 6513C75). Flasks have Standard Taper 34/28 stopper with…

  • Glass Reagent Bottles

    GSC International, Inc.

    These wide-mouth flint glass reagent bottles come with ground glass stoppers and are available in multiple capacities. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including arsenic, which are known to the State of California to cause cancer, birth defects, or…

  • Volumetric Glass Flasks

    GSC International, Inc.

    These Volumetric Flasks are made from quality borosilicate glass, and come fitted with a ground glass stopper. Volumetric flasks are used to contain a very precise volume of liquid or other substance at a particular temperature. Class B. PRODUCT WARNINGS WARNING: This product can…

  • Funnel / PTFE Supp Assy 47mm

    DWK Life Sciences (Kimble)

    … Supplied with a 40-60 micron porosity PTFE-faced fritted glass support base, a 300 mL PTFE-faced graduated funnel, an anodized aluminum clamp and a #8 silicone stopper PTFE coating prevents membrane from adhering to ground glass surface Funnels are graduated from 100 to 250 mL in 25 mL…

  • With Teflon ® stopcock plug Standard Taper ground neck has solid plug stopper of high-density polyethylene Designed for Federal Specification NNN-F-800

  • Class A Volumetric Flasks with Plastic Stopper

    Wilmad-LabGlass - SP Scienceware

    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.

  • Conical, of heavy-wall borosilicate glass All sizes have Standard Taper 34/28 ground joints and bell-shape lip 65 mm wide x 30 mm deep. 500 mL flask is 195 mm high: 1,000 mL flask, 230 mm. Without stopper or platinum carrier.

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