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…

  • 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 …

  • 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

  • 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.

  • 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.

  • Stir Bar Retrievers

    Globe Scientific

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

  • 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 Kit - 16 Bars Product Dimensions (l x w x h) : 7.38x3.94x1.28in Polytetrafluoroethylene Stirring Bar Kit. Kit contains: (2) each 5/16 x 1/2 (8 x 13mm), (2) each 3/8 x 2 (9.5 x 51mm), (2) each 5/16 x 5/8 (8 x 16mm), (2) each 3/8" x 2 1/2 (9.5 x 64mm),(2) each 3/8 x 1 (9.5 x…

  • 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…

  • 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…

  • Oval Stir Bars

    Globe Scientific

    Produced from PTFE For efficient stirring in round bottomed flasks

  • 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…

  • Scienceware® Positioner-Retriever, PE

    Bel-Art - SP Scienceware

    Set the Spinbar® Magnetic Stirring Bar precisely where it is wanted with no splash using the Spinbar® Positioner/Retriever. Just as easily, retrieve stirbars without coming into contact with the liquid in the container. For recovering a Spinbar® Magnetic Stirring Bar, keep the…

  • 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) :…

  • 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.

  • Magnetic Bar Retriever, 350mm

    United Scientific Supplies

    350mm length magnetic bar retriever.

  • Permanent magnet sealed in shell with triangular cross-section

  • Designed for stirring large volumes in vessels such as drums and tanks. A molded pivot ring minimizes the contact area between the bar and the vessel, thus reducing friction and chattering. Marring of plastic containers is diminished Multifaceted surface adds turbulence relative to…

  • Stir Bar Egg-Shaped 3/8X3/4" (1210D76 ) Product Dimensions (l x w x h) : 0.785x0.397x0.4in PTFE 20 mm length   Stir Bar Egg-Shaped 1/2X1" (1210D77 ) Product Dimensions (l x w x h) : 1x0.511x0.515in PTFE 25 mm length Stir Bar…

  • Spinbar® Magnetic Sink Strainer is a simple solution to prevent your Spinbar® Magnetic Stirring Bars from going down the sink drain. Four strong magnets attract and hold stir bars Four legs on the underside prevent strainer from being dislodged by flowing liquid Long slits in…

  • 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…

  • 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…

  • Stir Bars without Pivot Ring (Polygon)

    United Scientific Supplies

    High quality polygon shaped stir bar without pivot ring, teflon coated magnet.

  • Spinplus® Magnetic Stirring Bars

    Bel-Art - SP Scienceware

    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 …

  • 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…

  • Plastic Stirring Rod

    United Scientific Supplies

    Stirring rods made of polypropylene, with both ends rounded.

  • 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…

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