Description
Magnetic stirring bar 30x6 mm is a cylindrical laboratory stir bar intended for reliable mixing in standard glassware and reaction vessels. With a length of 30 mm and a diameter of 6 mm, it incorporates a magnetic core fully enclosed in a smooth polytetrafluoroethylene (PTFE) coating that offers broad chemical resistance and a low-adhesion surface. An integrated centre ring stabilises rotation and lowers friction against the vessel base during continuous operation. Smooth exterior surfaces support efficient cleaning and help maintain consistent stirring behaviour. Supplied in packs of 10 pieces from manufacturer Marienfeld, the bars suit dissolution, sample homogenisation and general magnetic stirring tasks on laboratory stirrers. The PTFE jacket remains inert toward many aqueous and organic media used in analytical and research settings, while the cylindrical form with centre ring promotes a steady vortex. The 30 mm length balances reach and manoeuvrability in medium-sized vessels, and the durable coating supports repeated daily use without compromising mixing performance.
This article is part of Magnetic stirring bars, in Stirring, shaking & mixing.
Key features
- Pack size: 10 pc(s)
- Length: 30 mm
- Diameter: 6 mm
- Shape: Cylindrical (round bar)
- Centre ring: Yes
- EAN: 4250317314970
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Questions about Magnetic stirring bars 30x6 mm,
What is this article?
Magnetic stirring bars 30x6 mm, is the article on this page. Luminix Health distributes Marienfeld for laboratory use. It sits in Barreaux d'agitation magnétiques, inside Agitation, secouage & mélange, in Instruments de laboratoire.
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 Agitation, secouage & mélange. The sub-category is Barreaux d'agitation magnétiques. The catalogue is Instruments de laboratoire.
Shelves beside this one are Arbres d'agitation, hélices & turbines, Agitateurs magnétiques, Accessoires d'agitation & de mélange, Homogénéiseurs & disperseurs, Agitateurs, basculeurs & rotateurs, Agitateurs suspendus and Mélangeurs vortex.
What should I check before I order?
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.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.