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new powder/liquid mixing solutions from silverson machines


mixer and a new version of the Flashmix which is supplied with a wand attachment. Dispersing powders into liquids and creating a


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consistent, homogeneous product, time after time, is one of the most difficult of all mixing tasks. Whether the need is to incorporate large volumes of powders or handle small amounts of critical components such as active ingredients, Silverson has a comprehensive range of products designed to provide the most efficient means of incorporating powders into liquids. For mixing on a laboratory scale Silverson can


now provide customers with the same powder/liquid mixing advantages as larger scale production with the introduction of the new FMX5 to the product range. The FMX5 is a laboratory scale version of Silverson's production scale Flashmix mixers and provides a simple, effective and hygienic means of powder/liquid mixing on a Laboratory scale. It is also able to process higher viscosity mixes. The FMX5 is suitable for small scale


manufacturing and R&D work with a typical batch size of up to 10 litres, depending on viscosity. The mixer offers an accurate means of predicting the performance of the production scale Flashmix, making the scale-up process a simple task. The mixer recirculates the liquid from the


vessel and powder is loaded into the stainless steel hopper. Once the powder feed valve is opened the high pumping action forces the powder into the high velocity liquid stream. The powder and liquid ingredients are introduced straight into the high shear zone of the mixer, and are instantaneously combined as they are subjected to intense hydraulic and mechanical shear. A brief period of recirculation results in an agglomerate-free, homogeneous dispersion in a matter of minutes. Different designs of powder feed hopper are available to assist with the flow of more cohesive powders. The FMX5 offers proven performance on a wide range of


powders including gums (CMC, Guar, Gum Arabic, Pectin,


Xanthan), sugars, flours, milk powder, Carbopol, Bentonite and many


he Silverson product range now has more powder/liquid mixing solutions than ever before with the development of the new FMX5 Laboratory scale powder /liquid


others across a range of industries. The introduction of this new Powder/Liquid mixer to the Silverson product ranges opens up the possibility of many more applications than were previously possible at laboratory scale. For larger scale powder dispersion, with fast


powder incorporation rates of up to 15,000 kgs per hour, Silverson offers the Flashmix. The Silverson Flashmix, unlike many other powder/liquid mixers which use vacuum to pull in powders, literally forces powder into the liquid stream. This allows it to disperse and hydrate large volumes of powders before they enter the mixing vessel, preventing the build-up of partially hydrated powder on the vessel wall which can be a problem when using conventional agitators. The Flashmix can is also suitable for use at higher temperatures and with higher viscosity mixes. Launched at the 2021 PPMA show, the new


version of the Silverson Flashmix is supplied with a powder feed wand attachment for powder incorporation, rather than the standard hopper. The wand is attached to the Flashmix via a specially modified powder inlet manifold which creates a vacuum, drawing the powder up through the wand and into the vessel. This enables the machine to suck powders into the mix straight from their original containers, minimising handling requirements. This is particularly useful for free-flowing powders which are prone to dusting, for example Aerosil. Other applications include sugars, salt and gums and thickeners such as pectin and starch. With the use of either the standard Flashmix


hopper or the wand attachment, problems occurring due to operator error, such as


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adding powders too quickly, are effectively eliminated. With the Silverson Flashmix range, the mixer dictates the powder addition rate, so repeatability is assured and a consistent homogeneous product will be produced batch after batch – both in the Laboratory and on the production floor. For in-tank powder/liquid mixing, the


Silverson Ultramix can rapidly incorporate high percentages of powders and can handle relatively high viscosity mixes. It is particularly useful for incorporating difficult powders with a tendency to float or “raft.” If you would like to find out more about the


Silverson product range, please visit the Silverson website: www.silverson.co.uk.


Silverson www.silverson.co.uk


Autumn 2021 UKManufacturing


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