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.

Contamination-free stirring-price justifies single use Four convenient sizes Disposable price Resistant to virtually all chemical attacks High-quality stirring bars molded with strong magnets permanently coated with white PTFE. Available in the four most popular sizes to…

Large to Small Volumes, the Spinpak® Assortment has You Covered A 10-pack of the most commonly used Spinbar® Octagonal Magnetic Stirring Bars in a variety of colors and sizes. Eight-sided Spinbar® Octagonal Magnetic Stirring Bars provide greater surface area and added…

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.…

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…

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 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. Made from ALNICO, one of the strongest permanent magnets available The…

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…

Spinvane® Magnetic Stirring Bars half-round tapered shape is designed for conical bottom centrifuge tubes. Half-round shaped vane is made of solid FDA grade, USP Class VI Teflon® and has a cross-mounted, molded-in Alnico magnet Manufactured to fit 9.7/6.1 x 23.0 x 9.9mm tubes;…

The Capsule Magnetic Stirring Bar is a polystyrene capsule containing a 30 x 8mm (1.18 x 0.31") polygon magnetic stirring bar that spins freely inside the capsule while being prevented from spinning off center and ‘wandering’ on the base of a vessel. Containment of the…

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 …

Teflon-encapsulated, magnetic stirring bars

Stir Bar For Beaker 44 mm 100 mL (1212Y93) Product Dimensions (l x w x h) : 1.775x0.56x0in Stir Bar For Beaker 62 mm 250 mL (1212Y94) Product Dimensions (l x w x h) : 0x2.44x0in Stir Bar For Beaker 70 mm 500 mL (1212Y95) Product Dimensions (l x w x h) : 0x2.76x0in …

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…

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…

350mm length magnetic bar retriever.

PTFE-covered round magnetic stirring bar. This stirrer bar permits stirring in closed containers without contamination. Supplied in glass vial with polyethylene stopper. Approx. Overall Width (mm) : 4 Approx. Overall Length (mm) : 12 Bars per Vial : 2

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

The smartSENSE® wireless stir bar is the only stir bar that can measure and communicate in real time the temperature of the liquid in which it is immersed as well as the actual spin speed of the stir bar – allowing for continuous control and monitoring of any formulation in a closed…

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 …

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.

Spinvane® Magnetic Stirring Bars triangular shape is designed for small conical-shaped tubes and micro vials. Triangle shaped vane is made of solid FDA grade, USP Class VI Teflon® and has a cross-mounted, molded-in Alnico magnet Each size is manufactured for a specific size tube;…

Stirring bars using rare earth magnets have significantly increased magnetic strength compared to those using Alnico magnets, but more importantly they are almost totally resistant to demagnetisation.Stir bars using rare earth magnets are identified by a carbon black spot which us chemically inert.…

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…

Molded, seamless Teflon construction ideal for procedures using all bellco magnetic stirrers. Excellent for mixing media and buffer solutions. Size: 50.8 x 9.5mm Case qty: 6

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…

Molded, seamless Teflon construction ideal for procedures using all bellco magnetic stirrers. Excellent for mixing media and buffer solutions. Size: 41.3 x 9.5mm Case qty: 6

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

Molded, seamless Teflon construction ideal for procedures using all bellco magnetic stirrers. Excellent for mixing media and buffer solutions. Size: 82.6 x 19mm Case qty: 2

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…