Stir Bars

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Attention Thomas Scientific Customers

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  • Octagon Spinbar® Magnetic Stir Bars

    Bel-Art - SP Scienceware

    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…

  • 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…

  • Circulus™ Magnetic Stirring Bars

    Bel-Art - SP Scienceware

    Circulus™ Magnetic Stirring Bars offer fast mixing action and strong turbulence as well as greater stability with less drifting at higher speeds. Ideal for containers with round or convex bottoms All sizes have solid FDA grade, USP Class VI Teflon® PTFE end disks 20mm…

  • Pivot Ring Stir Bars

    Globe Scientific

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

  • Micro Stir Bars

    Globe Scientific

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

  • 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

    Bel-Art - SP Scienceware

    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 …

  • 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.

  • 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…

  • 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 …

  • Oval Stir Bars

    Globe Scientific

    Produced from PTFE For efficient stirring in round bottomed flasks

  • 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…

  • Round, PTFE coated stirring bars. RS 1 Set of magnetic stirring bars Consisting of the IKAFLON® and TRIKA® Magnetic stirring bars: IKAFLON® 10 Magnetic stirring bar IKAFLON® 15 Magnetic stirring bar IKAFLON® 20 Magnetic stirring bar IKAFLON® 25…

  • Magnetic Bar Retriever, 350mm

    United Scientific Supplies

    350mm length magnetic bar retriever.

  • Spinstar® Magnetic Stirring Bars

    Bel-Art - SP Scienceware

    Spinstar® magnetic stirring bars create a deep mixing vortex at relatively slow speeds. Star shape is designed to fit the inside diameter of most commonly-used beakers Perfect for applications requiring slow, thorough mixing Alnico magnet encapsulated in FDA Grade, USP Class VI…

  • Scienceware® Stirring Bar Retrievers

    Bel-Art - SP Scienceware

    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.

  • 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) :…

  • Permanent magnet sealed in shell with triangular cross-section

  • 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…

  • Plastic Stirring Rod

    United Scientific Supplies

    Stirring rods made of polypropylene, with both ends rounded.

  • Stir Bars & Stir Bar Retriever

    Heathrow Scientific

    The magnetic stir bar withstands temperatures up to 250°C, making them suitable for use with both unheated and heated stirrers. The Stir Bar Retriever is encapsulated in PTFE making it easy to clean and durable. Magnetic stir bar is made from ALNICO, one of the strongest permanent…

  • Stirring Rods

    Globe Scientific

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

  • Cylindrical magnetic stir bar with pivot ring. various sizes available.

  • Micro Stir Bars

    Dynalon

    Micro Color-Coded Stirring Bars come in 3 different colors (red, yellow and blue) and various Polytetrafluoroethylene lengths. Colored stir bars may leach in harsh chemicals.

  • Eliminates sparking hazard Compact unit Stirrer is powered by a low pressure air supply that eliminates the sparking hazard from electrical sources. Compact unit operates using only 3 to 8 psi (21-55 kPa) air pressure and it is useful for stirring vesseals up to 1 liter. Tubing is…

  • Spinring® Magnetic Stirring Bars

    Bel-Art - SP Scienceware

    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…

  • 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…

  • 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…

  • 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…

  • Spinfin® Magnetic Stirring Bars

    Bel-Art - SP Scienceware

    Spinfin® magnetic stirring bars agitate liquids in round bottom vessels such as test tubes, cylinders and flasks, where other stirring bars cannot be used. Maintains its position in a vessel and will not wobble Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® PTFE…

  • Spinwedge® magnetic stirring bars provide strong turbulence at fairly low speeds and are well suited for churning sediment or dissolving salts. Wedge shape is designed to plow up sediment for thorough dispersion Sharply angled broad face provides strong mixing action, perfect for…

  • Stirbar Removers

    AQUAFILL

    Designed for easy and non-fluid contact retrieval from all glass and plastic vessels The T-Style handle allows for easy grip and manipulation when removing a stir bar Handle design also allows a one or two handed pouring of fluid while the retriever holds the stir bar in place to prevent loss…

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