Rubber Stopper 12

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Rubber Stopper 12
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  • #12 Silicone Rubber Stoppers

    DWK Life Sciences (Kimble)

    This rubber stopper is an accessory for Kimble 4L flasks 27060-4000, 27065-4000, and 27070-4000, as well as 90mm funnnel 953805-0090.

  • 13.5 Rubber Stopper Similar to CG-3026 except with one hole. These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with…

  • KIMAX Solution Bottles

    DWK Life Sciences (Kimble)

    …of distilled water and standard solutions Kimble 14950 Made from KG-33 glass Kimax bottle with sloping shoulders of the carboy-style. Neck is 2 1/4” i.d. and is tooled for a uniform fit with a #12 rubber stopper. The 5 gallon size is designed from Federal Specification DD-B-597.

  • Standard Grade Size No. 000 is 18 mm long; sizes No. 00 to No. 13 are 25 mm long. Sizes No. 13 1/2, 14 and 15 are 35 mm, 36 mm and 39 mm respectively.

  • Similar to CG-3026 and CG-3027 except with two holes. These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with specifications…

  • These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with specifications established by the N.B.S. and are low in free sulfur…

  • KimCote® plastic-coated bottle with sloping shoulders of the carboy-style. Neck is tooled for a uniform fit with a #12 rubber stopper. The 5 gallon size is designed from Federal Specification DD-B-597.

  • Hardware Assortment Kit

    United Scientific Supplies

    …4” Clamp - 1 Rubber Stoppers # 0, 1-hole - 2 Rubber Stoppers # 3 1-hole - 2 Rubber Stoppers # 6 1-hole - 2 Rubber Stoppers # 6 2-hole - 2 Rubber Tubing, 4 ft., 1/4" i.d. - 1 Test Tube Clamp - 2 Test Tube Brush 3x1/2" - 1 Test Tube Rack, 12 Holes, 12 Pins, Wood - 1 …

  • Standard Grade Sizes No. 00, 0 and 1 have holes 2, 3 and 4 mm diameter, respectively; all other sizes have holes 5 mm diameter

  • Bottle, with Pipet and Rubber Bulb

    United Scientific Supplies

    Square shaped clear flint glass bottles with glass pipet and rubber bulb stopper. Capacity 30ml. Replacement pipets are also available.

  • …applications. The sidearm is located approximately 137mm from the bottom of the flask to meet the requirements of ASTM E-1405 and can be used in ASTM tests D-86, D-233 and D-447. Adaptable for use with thermometers calibrated for 76mm immersion. Flasks take a No. 2 rubber stopper

  • U-Shaped Drying Tubes

    SP Wilmad-LabGlass

    These U-shaped borosilicate glass drying tubes have a Standard Taper joint at one end and are designed to avoid desiccant contact with reaction. Other end is open to receive size a #2 rubber stopper with bent inlet tube (included).

  • Culture Flask Fernbach PC 2800 ml

    Thermo Scientific Nalgene

    …area desirable for culturing in liquid media, increasing aeration for better growth. Break-resistant, transparent polycarbonate; safer than glass alternatives Fernback design supports better aeration for the culturing of microorganisms For leakproof seal, use No. 12 rubber stopper

  • …to temperatures up to  120°C Usable with petroleum products, vegetable and mineral oils and fats which deteriorate natural rubber Standard length: 26 mm Increased functionality over rubber stoppers at elevated temperatures. Not recommended for use with very light oils, such as kerosene.

  • …outlet (15mm O.D.) near the bottom for attachment of flexible plastic tubing and are very useful as a delivery/storage container for solutions. These bottles feature sturdy ring necks with a heavy duty rims and use No. 12 rubber stoppers. They can withstand repeated sterilization (wet or dry).

  • Filtering Bottle

    United Scientific Supplies

    …large volumes of liquid. The thick walls and design enables this flask to withstand vacuum filtration without imploding. Graduated in 2000ml increments on a scale from 4000ml to 16000ml with an accuracy of +/- 5%. Neck size fits a #13 rubber stopper. The hose barb has an O.D. of 1/2”.

  • 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.

  • Used in filtering glucose, agar and serums. All porosities of a given size are priced the same. Top accepts #3 or #4 rubber stopper.

  • Analytical Test Filter Funnels

    Thermo Scientific Nalgene

    …has official certification for water quality work The 0.2 µm membrane is excellent for sterility testing Graduated upper chamber provides accurate and convenient sample measurements Includes six funnel adapters designed to fit a #8 rubber stopper with a 1/2-inch hole. Case contains 50 filters.

  • KIMAX Narrow Mouth Erlenmeyer Filter Flasks

    DWK Life Sciences (Kimble)

    … ASTM Specification E 1406, Type I With capacity scale 250 mL flasks take rubber stopper No. 6; 500 mL flasks take No. 7; 1,000 mL flasks take No. 8; 2,000 mL flasks take No. 9; 4,000 mL flasks take No. 12. Flasks are fabricated from molded heavy wall for strength and have a beaded bottom…

  • Three twist-off seals permit easy conversion from a solid to a one, two, or three-hole stopper. Soft, resilient, natural rubber demonstrates exceptional aging characteristics and withstands repeated autoclaving. Autoclavable at 250°F for 30 minutes under water or steam conditions only (not…

  • Size No. 000, 00 and 0 have hole 3 mm diameter; sizes No. 1 and 2 have hole 4 mm in diameter; all other sizes have hole 5 mm in diameter.

  • …use with Buchner funnels, Gooch crucibles, filter tubes, etc. Can be used individually or nested with adjacent sizes. Eliminates the boring of rubber stoppers and the difficulties of inserting and removing glass stems in stoppers. Neoprene withstands autoclaving. Available as a set or individually.

  • Stopper Assortment

    Plasticoid

    Made of soft, pliable, black-compounded stock Length: 25 mm Includes stoppers of solid, one-hole and two-hole styles in sizes 00, 0, 1, 2, 3, 4, 5, 6, 6 1/2, 7 and 8; total of 66 stoppers

  • Black Rubber Stoppers

    GSC International, Inc.

    A black rubber stopper that is useful in a number of applications. Available in a variety of sizes. Each pack is one pound. Choose from solid, 1 hole, and 2 hole stoppers.

  • Rubber Stoppers

    Plasticoid

    …for added chemical resistance Listed mainly by trade-size, available in solid, one-hole, and two hole rubber stoppers. Uses vary widely, some are outlined below: Carboy Stoppers Crucible Holders Laboratory & Test Tube Stoppers Masking Applications Micro Stoppers Pipe Plugs Tube Stoppers

  • Inverted PYREX® drying tube with the inner 24/40 Standard Taper joint at one end only, with a single bulb. The chamber is approximately 110 mm long including the bulb, 30mm O.D. and will take a No. 2 rubber stopper.

  • Bottle Reservoir 20L

    DWK Life Sciences (Kimble)

    …33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements Capacity (mL) 20000 Height (mm) 495 Diameter (mm) 290 Neck ID (mm) 58 Rubber Stopper Size 12 Case Qty 1

  • Thomas No. 1166P43 #3 rubber stopper w/holes Thomas No. 1166P44 Aviation frz/pt tube

  • …the conventional rubber stopper or a Hemogard™ closure. The Hemogard™ closure allows laboratory professionals to confidently handle specimens. The stopper that seals the tube is covered by a plastic shield to help protect lab personnel from contact with blood on the stopper or around the…

  • BOD Bottle Accessories

    DWK Life Sciences (Wheaton)

    …to twelve 300 mL BOD Bottles. Rubber Leash For BOD Stopper (1234R64) ensures that the stoppers do not become lost when collecting samples in from the field. The 10 mm diameter holes at each end of the leash expand to fit securely around both the stoppers and the bottle necks. Polyethylene…

  • …prevent cross-contamination and ensure sample integrity Sizes 10, 12, 13, and 16 mm fit all varieties of test, blood collecting and culture tubes Can be used to recap Vacutainer™ after the original rubber stopper is removed Cap colors match those on Vacutainer™ to prevent sample…

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