Standard Taper Glass Stopper

These hollow PYREX® 29/35 Standard Taper joint and bottle stoppers are closed at the bottom. They are interchangeable with standard taper joints and bottle stoppers of the same size. These hollow stoppers are light in weight, yet very strong to reduce chi

…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.

…(PTFE) No. 8 Product Standard stopcocks and strong, hollow No. 38 Standard Taper glass stoppers. The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. For replacement glass Standard Taper stoppers, see No. 7650; for PTFE…

Pennyhead stoppers are generally used in flasks and separatory funnels.

These 125mL PYREX® cylindrical separatory funnels are graduated to show approximate capacity, The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination.

PYREX® VISTA volumetric flasks provide precise volume measurement. The necks are tooled for Standard Taper glass stoppers. The graduation line is sharp and permanent and large blue block letters make the inscription easy to read. The 1 mL and 2 mL sizes are test tube shaped.  These Class A…

Hollow plug type With sealed bottom and vertical penny head

…replacement for 6340-4L) These 4L PYREX® pear-shaped separatory funnels have glass No. 8 Standard Taper stopcocks and strong, hollow No. 38 Standard Taper glass stoppers. For replacement glass Standard Taper stoppers, see No. 7650; for stopcock plugs, see No. 7680; for retaining clips, see No. 7280.

…flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 13 Standard Taper glass stoppers. For replacement stoppers see No. 7650. These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E- 694…

…to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. For your convenience, these flasks are supplied with No. 9 Standard Taper red low actinic glass stoppers.

…separatory funnels are made from specially molded blanks which are tapered toward the stopcock to facilitate the separation of liquids. Their sturdy design makes them excellent for rack work. For replacement glass Standard Taper stoppers, see No. 7650; for stopcock plugs, see No. 7680; for retaining…

These PYREX® glass separatory funnels have Rotaflo® stopcocks and strong, hollow Standard Taper glass stoppers. A glass stopper is also included for your convenience. Stem O.D. is 10mm. For replacement glass stoppers, see No. 7650 and for polyethylene stoppers, see No. 7624.

…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 stainless steel spring and a PTFE closure screw for maximum chemical resistance Fits standard Taper Stopper size:…

…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 stainless steel spring and a PTFE closure screw for maximum chemical resistance Fits standard Taper Stopper size:…

…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 stainless steel spring and a PTFE closure screw for maximum chemical resistance Fits standard Taper Stopper size:…

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…

…have closed bottoms to conform to Standard Taper stopper dimensions. The three rings on the plug provide an efficient seal. This improved design fully protects the neck in the event of accidental tipping. These stoppers may be used in place of the conventional glass Standard Taper flask stoppers.

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

With Standard Taper glass stopcock and Standard Taper glass stopper 60 mm long stem, which drains completely after stopcock is closed

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.

These 50mL PYREX® round bottom, nongraduated centrifuge tubes have a No. 13 Standard Taper solid glass pennyhead stopper. Rockefeller Institute of Medical Research type.

These 50mL PYREX® conical centrifuge tubes have white enamel graduations and are graduated upward from tip to 10mL in 0.5mL divisions, and from 10 to 50 in 1mL divisions. The No. 16 Standard Taper pennyhead stopper is solid glass.

…PYREX® keyhole stoppers are made from polytetrafluoroethylene (PTFE) and conform to Standard Taper stopper dimensions. The color-coded keys make sorting and selecting the correct size much faster and easier. These stoppers may be used in place of conventional glass Standard Taper flask stoppers.

…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 furnished with a number 29 Standard…

…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 durability. Supplied complete with glass Standard Taper pennyhead stopper.

…nm Without a capacity scale Standard Taper PTFE stopper is supplied with the flask Replacement stopper is 41901R Designed from ASTM Specification E1404, Type II, Class II requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM…

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…

…have closed bottoms to conform to Standard Taper stopper dimensions. The three rings on the plug provide an efficient seal. This improved design fully protects the neck in the event of accidental tipping. These stoppers may be used in place of the conventional glass Standard Taper flask stoppers.

…have closed bottoms to conform to Standard Taper stopper dimensions. The three rings on the plug provide an efficient seal. This improved design fully protects the neck in the event of accidental tipping. These stoppers may be used in place of the conventional glass Standard Taper flask stoppers .

…the cylinder is calibrated to contain A Standard Taper glass stopper is supplied Replacement stopper is 850100 Designed from ASTM Specification E1272, Style II, Class B requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438,…

Separatory Funnel, Standard Taper Joint Capacity: 10-250mL Available Joints: 14/20, 19/22, and 24/40 available PTFE Stopcock Bore: 2mm Supplied with PTFE stopcock and PTFE or glass penny-head stopper