Description
Magnetic stirring bar polygon, PTFE, 3 x 8 mm is a compact polygonal stir bar engineered for efficient mixing in small-volume laboratory vessels. Measuring 3 mm in diameter and 8 mm in length, the bar features a special polygonal geometry that promotes strong coupling with magnetic stirrers and reduces spinning out at higher speeds. The entire surface is encapsulated in chemically inert polytetrafluoroethylene (PTFE), providing broad resistance to aggressive solvents, acids and bases commonly encountered in analytical and synthetic chemistry. Supplied in packs of 10 pieces from manufacturer Vitlab, these miniature stirring bars are particularly suited to micro-scale reactions, NMR tubes, vials and other confined geometries where conventional cylindrical bars may be too large. The low-profile polygonal design ensures stable rotation and thorough agitation even in shallow liquid layers, supporting reproducible sample preparation, dissolution and titration workflows across research, quality-control and educational laboratories that require reliable PTFE-coated magnetic stirring elements of precise small dimensions.
This article is part of Magnetic stirring bars, in Stirring, shaking & mixing.
Key features
- Pack size: 10 pc(s)
- Diameter: 3 mm
- Length: 8 mm
- Material: polytetrafluoroethylene (PTFE)
- Shape: polygonal (special form)
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Questions about Magnetic stirring-bar, PTFE, POLYGON, 3 x 8 mm
What is this article?
Magnetic stirring-bar, PTFE, POLYGON, 3 x 8 mm is the article on this page. Luminix Health distributes Vitlab for laboratory use. It sits in Magnetic stirring bars, inside Stirring, shaking & mixing, in Lab instruments.
A magnetic stirring bar is the magnet coated in PTFE that spins inside a vessel, driven by a stirrer underneath. Length and shape, plain, oval or cross, have to suit the flask. A bar left against a dry glass wall will grind it.
Stirring keeps a mixture uniform or helps a solid dissolve. A magnetic stirrer spins a bar inside a closed vessel. An overhead stirrer drives a shaft when the liquid is viscous or the volume is large. A vortex mixer agitates a tube. A shaker moves a whole rack or a plate. The shape of the impeller and the speed decide whether the liquid turns over or merely spins. The vessels being stirred are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stirring, shaking & mixing. The sub-category is Magnetic stirring bars. The catalogue is Lab instruments.
Shelves beside this one are Stirring shafts, propellers & impellers, Magnetic stirrers, Stirring & mixing accessories, Homogenisers & dispersers, Shakers, rockers & rotators, Overhead stirrers and Vortex mixers.
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When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.