Stir Bars

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  • Cylindrical Stir Bars

    Globe Scientific

    Produced from PTFE For the stirring of liquids on magnetic stirrers and/or hotplate stirrers Strong alloy magnets sheathed in pure white inert PTFE Supplied in polarity aligned packs to ensure maximum coupling strength Resistant to virtually all chemical attack and temperatures up to 260°C

  • Polygon Spinbar® Magnetic Stirring Bars (without Pivot Rings)

    Bel-Art Products

    These stir bars have polygon multifaceted surfaces that add turbulence relative to similar smooth size cylindrical bars. Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® PTFE low friction coating; durable and inert Manufactured in a registered ISO 9001:2008 facility, as…

  • Micro Stir Bars

    Globe Scientific

    Produced from PTFE For use in small vessels, e.g. test tubes, vials, etc.

  • Octagon Spinbar® Magnetic Stir Bars

    Bel-Art Products

    Octagon magnetic stirring bars with integral pivot ring are the most commonly used shape. Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® PTFE low friction coating; durable and inert Interrupted profile provides greater surface area and added turbulence when compared to…

  • Teflon-Coated Magnetic Stir Bar

    Corning

    These Corning magnetic stir bars are Teflon®-coated for increased chemical-resistance. Bars are available in 2” x 3/8” in. (5.08 x 0.95 cm) or 1” x 3/8” in. (2.54 x 0.95 cm).  1233W94 stir bars are suitable for use with PC610/620 stirrers while 1233W95 stir bars are for…

  • Stir Bar Set

    Globe Scientific

    Useful assortment of the most popular types and sizes of PTFE magnetic stirrer bars Supplied in a red polypropylene compartmented box with opaque natural lid Contains: Pivot ring: two each of 12 x 4.5, 25 x 6, 45 x 8 and 60 x 9.5mm Oval: two each of 20 x 10, 25 x 12, 35 x 16…

  • Stirring Rods

    Globe Scientific

    Suitable for stirring even the most corrosive liquids Will withstand 260°C PTFE covered with plain ends 6mm diameter

  • Stir Bar Retrievers

    Globe Scientific

    Magnet permanently embedded in PTFE rod Ideal for retrieving magnetic stirrer bars from particularly sensitive or corrosive liquids

  • Scienceware® Stirring Bar Retrievers

    Bel-Art Products

    Easily recover stirring bars from containers using the Spinbar® Magnetic Retriever. Offered in two different lengths (12" and 18"), each retriever has a polyethylene rod, 9.5 mm diameter, with Alnico magnet sealed in one end and loop on opposite end.

  • Polygon Spinbar® Magnetic Stirring Bars

    Bel-Art Products

    These stirbars have polygon multifaceted surfaces that add turbulence relative to similar smooth size cylindrical bars. Center molded pivot ring minimizes the contact area between the bar and the vessel; reduces friction and chattering Marring of plastic containers is diminished …

  • Stir Bars, Micro

    Dynalon

    Stir Bar Micro, 1.5X15 mm ( 1210C97 ) Product Dimensions (l x w x h) : 0.591x0.073x0in 15 mm length. For stirring  test tubes, micro-beakers, etc... Covered with polytetrafluoroethylene white resin. Stir Bar Micro, 1.5X8 mm ( 1210C98 ) Product Dimensions (l x w x h) :…

  • Pivot Ring Stir Bars

    Globe Scientific

    Produced from PTFE Central pivot ring ensures efficient spinning, even on curved or uneven bases

  • Spinbox™ Magnetic Stirring Bar Assortments

    Bel-Art Products

    These stirbar assortments come in a convenient storage box and provide instant availability of these highly popular Teflon® PTFE encapsulated Alnico magnets. Choose from Octagon, Cylindrical, Polygon, Micro, Egg-Shaped or Spinplus® shaped assortments FDA Grade, USP Class VI…

  • Giant Polygon Spinbar® Magnetic Stirring Bars

    Bel-Art Products

    Heavy duty bars for use in stirring large volumes of fluid in vessels on large magnetic stirring machines such as the Cool Stir Large Volume Stirrer, H37028-0001 or other large machines. Will fit into vessels with a minimum neck diameter of 32 mm Multifaceted surface adds turbulence…

  • Color Octagon Spinbar® Magnetic Stir Bars

    Bel-Art Products

    Octagon magnetic stirring bars with integral pivot ring are the most commonly used shape. Choose from red, yellow or blue. Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® PTFE low friction coating; durable and inert Interrupted profile provides greater surface area and…

  • Stir Bars, Octagonal

    Dynalon

    Our stir bars feature ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available. Stir bars should not be stored in a random mass, or dropped on a hard surface especially steel. Stir bars should be stored in pairs to maintain magnetic strength.

  • Oval Stir Bars

    Globe Scientific

    Produced from PTFE For efficient stirring in round bottomed flasks

  • Disposable Polygon Spinbar® Magnetic Stirring Bars

    Bel-Art Products

    The multifaceted magnetic stirring bar surface adds turbulence relative to similar size smooth cylindrical stirring bars. Ideal for single use applications mixing radioactive reagents or when cross contamination might be a concern Alnico magnet encapsulated in FDA Grade, USP Class VI…

  • Spinplus® Magnetic Stirring Bars

    Bel-Art Products

    Spinplus® magnetic stirring bars add speed and efficiency to mixing operations. The "+" shape creates a deep vortex and provides stable, quiet operation Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® PTFE low friction coating; durable and inert …

  • Elliptical (Egg-Shaped) Spinbar® Magnetic Stirring Bars

    Bel-Art Products

    These egg-shaped stirring bars are designed especially for use in round-bottom vessels as they spin unrestricted by the vessel contour. Particularly well suited for round bottom flasks; shape ensures complete mixing Offers minimal contact when used in plastic containers Egg shape…

  • Cylindrical Spinbar® Magnetic Stirring Bars

    Bel-Art Products

    Cylindrical magnetic stirring bars offer excellent centering and smooth running characteristics. Small removable pivot ring in the center adds to their versatility Pivot ring minimizes the contact area of the bar to the vessel, reduces friction and lessens marring of plastic containers …

  • Plain Spinbar Magnetic Stirring Bars

    Bel-Art Products

    Smooth surface stirbars have no sharp or flat edges which maximizes contact with the stirring vessel. Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® PTFE low friction coating; durable and inert Manufactured in a registered ISO 9001:2008, as verified by SGS…

  • Micro (Flea) Spinbar® Magnetic Stirring Bars

    Bel-Art Products

    Micro (Flea) magnetic stirring bars are designed for stirring small volumes in vessels such as vials, tubes and gradient makers. Particularly useful for environmental testing and life science applications in which small sample volumes need to be prepared and evaluated Alnico magnet…

  • Rare Earth – Samarium Cobalt Spinbar® Octagon Magnetic Stirring Bars

    Bel-Art Products

    Reduce frequency of spinout in viscous solutions or when stirring at high speeds. The high magnetic field strength of Samarium Cobalt (Rare Earth) magnets can provide up to three times stronger coupling vs. Alnico magnetic stirring bars.  Stronger coupling with the drive magnet keeps…

  • Stirring Bar, 3 x 10 mm

    Thomas®

    Teflon-encapsulated, magnetic stirring bars

  • HDPE Stirring Paddles

    Dynalon

    High density polyethylene stirring paddle and handle available in stock and custom sizes. Small size plastic stir paddle is for use in stirring small volumes or for chemical mixing in photographic work. The larger size paddles are excellent for mixing liquids in large tanks or vats.

  • Spinring® Magnetic Stirring Bars

    Bel-Art Products

    Spinring® stirring bars provide maximum stabilization of the magnetic stirring bar with the addition of a removable “hoop” around a standard octagonal bar. Best suited for larger open-neck vessels, such as buckets and beakers Friction fit of the "hoop" and…

  • Spinvane® Magnetic Stirring Bars - Half-Round

    Bel-Art Products

    Spinvane® Magnetic Stirring Bars half-round shape is designed for 16mm O.D. test tubes. Half-round shaped vane is made of solid FDA grade, USP Class VI Teflon® and has a cross-mounted, molded-in Alnico magnet Can be trimmed to fit if needed without affecting the magnet …

  • Magnetic Stir Bar Retriever

    Corning

    The Corning stir bar retriever contains a strong magnet to remove a stir bar from all glass and plastic containers used in the laboratory. The container must be taken off the magnetic stirrer before using the retriever as the high-powered magnet in the stirrer cancels out the one in the retriever.…

  • Stir Bars with Pivot Ring (Octagon)

    United Scientific Supplies

    High quality octagon shaped stir bar with pivot ring, teflon coated magnet.

  • Scienceware® Saturn Spinbar® Magnetic Stirring Bars

    Bel-Art Products

    Two lengths to fit a wide range of vessels Autoclavable While many magnetic stirring bars are impeded by powders in a liquid, the Saturn Spinbar overcomes this problem. A large bulb in the bars center lifts the stirring bars ends while spinning thereby reducing surface contact area and…

  • Octagon Spinbars®

    Thomas®

    Octagon magnetic stirring bars with integral pivot ring are the most commonly used shape. Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® PTFE low friction coating; durable and inert nterrupted profile provides greater surface area and added turbulence when compared to…

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