Stirring & Mixing

Streamline Your Sample Prep with Mixing Tools Designed for Maximum Efficiency and Chemical Resistance.

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Mixers & Stirrers

Magnetic Stirbars

High-performance rare earth and standard magnetic stirbars for reliable sample homogenization in any vessel size.

Stirbar Accessories

Retrieval wands, cleaning brushes, and storage solutions designed to keep your stirbar workflow efficient.

Non-magnetic Stirring

Manual and mechanical overhead stirring tools for high-viscosity applications where magnetic stirring isn't suitable.

Mechanical Mixers & Stirrers

Overhead stirrers and digital mixers engineered for powerful, consistent mixing in large volumes or dense materials.

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Polygon Spinbar® Magnetic Stirring Bars

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 chatteringMarring of plastic containers is diminishedAlnico magnet encapsulated in FDA Grade, USP Class VI Teflon® brand PTFE Coating – Superior Chemical CompatibilityManufactured in a registered ISO 9001:2015 facility, as verified by SGS certificationAutoclave safeTEFLON® is a registered trademark of The Chemours Company FC LLC and used under license by Bel-Art Products, Inc.

Spinbar® Flexible Magnetic Stirring Bar Retrievers

Flexible, Teflon® rod with a powerful Alnico Teflon® coated magnet for retrieving magnetic stirring bars from containers or non-magnetic sink drains and traps.Available in four colors, two magnet sizesFlexible white rod is 33 cm (13") longAutoclavableTEFLON® is a registered trademark of The Chemours Company FC LLC and used under license by Bel-Art Products, Inc.

Stirbar

Reliable mixing starts with a quality stir bar — built for steady, uniform mixing.

SP Bel-Art is proud to sell through our distribution partners.

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Frequently Asked Questions

Clear answers to common questions about Stirring & Mixing products to help you choose and use the right solutions.

Contact Support

Shape choice depends on the vessel and the fluid’s viscosity — please refer to our stirbar selection guide HERE.

Spin-out happens when the drive magnet turns faster than the stir bar can follow — usually from too high a speed setting, a bar that is undersized for the vessel, or a viscous sample. Reduce the speed, let the bar re-couple, then ramp back up gradually.

Yes. Spinbar® stir bars are fully autoclavable and encapsulated in FDA Grade, USP Class VI Teflon® PTFE for superior chemical compatibility.

The Stirring & Mixing range covers magnetic stirbars, stirbar accessories, non-magnetic stirring tools, and mechanical mixers and stirrers — from single-sample benchtop work through to high-volume drum agitation.

Laboratory, research, and industrial users across pharma, life sciences, academic, food and beverage, and industrial manufacturing environments.