Description
Flat blade stirrer RSO-E 11 is a laboratory stirring element built for radial mixing and shear in open vessels. The flat blade measures 70 mm in width and is mounted on an 8 mm shaft with a shaft length of 400 mm, providing a defined geometry for reproducible agitation. Flat-blade designs generate strong radial flow and are well suited to blending, dispersion and maintaining solids in suspension during sample preparation, formulation trials and analytical work-up. The 8 mm shaft diameter is compatible with standard laboratory overhead stirrer chucks, enabling quick installation and secure coupling. Offered as one piece from manufacturer Phoenix Instrument, the RSO-E 11 supports everyday mixing tasks in research, quality control and teaching laboratories where controlled blade span and shaft reach matter. The 400 mm shaft length offers practical immersion depth in common beakers and reactors while the 70 mm blade width delivers effective coverage across typical working volumes without unnecessary bulk.
This article is part of Stirring shafts, propellers & impellers, in Stirring, shaking & mixing.
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Questions about Paddle stirrer RSO-E 11
What is this article?
Paddle stirrer RSO-E 11 is the article on this page. Luminix Health distributes Phoenix Instrument for laboratory use. It sits in Stirring shafts, propellers & impellers, inside Stirring, shaking & mixing, in Instruments de laboratoire.
A shaft, a propeller or an impeller is the wetted end of an overhead stirrer. The diameter and the pitch decide whether the liquid turns over. The material, stainless steel or PTFE, decides what the liquid may be. The chuck size has to match the stirrer.
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 Stirring shafts, propellers & impellers. The catalogue is Instruments de laboratoire.
Shelves beside this one are Magnetic stirring bars, Magnetic stirrers, Stirring & mixing accessories, Homogenisers & dispersers, Shakers, rockers & rotators, Overhead stirrers and Vortex mixers.
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.
How does ordering and shipping work?
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.

