Description
Magnetic stirring bar 25x6 mm is a cylindrical laboratory stir bar for controlled mixing in beakers, flasks and reaction vessels. It measures 25 mm in length and 6 mm in diameter and combines a magnetic core with a smooth polytetrafluoroethylene (PTFE) coating that resists chemical attack and limits residue build-up. A centre ring improves spinning stability and reduces friction on vessel bottoms during prolonged stirring. The round bar geometry with smooth surfaces supports even vortex formation and straightforward cleaning between runs. Packed in units of 10 pieces from manufacturer Marienfeld, these bars are suited to routine sample preparation, dissolution work and general magnetic stirring on hotplate stirrers. PTFE inertness makes them compatible with many aqueous and organic media encountered in analytical, teaching and research laboratories. The compact 25 mm length is practical for smaller vessels while the 6 mm diameter maintains adequate magnetic coupling. Consistent dimensions and a durable coating help deliver repeatable mixing performance across everyday laboratory workflows.
This article is part of Magnetic stirring bars, in Stirring, shaking & mixing.
Key features
- Pack size: 10 pc(s)
- Length: 25 mm
- Diameter: 6 mm
- Shape: Cylindrical (round bar)
- Centre ring: Yes
- EAN: 4250317314963
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Questions about Magnetic stirring bars 25x6 mm,
What is this article?
Magnetic stirring bars 25x6 mm, is the article on this page. Luminix Health distributes Marienfeld 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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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.