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HNP Mikrosysteme very present in microencapsulation

In its latest issue (no. 35, September 2022), the magazine Industries Cosmétiques published an article entitled "Pumps and microencapsulation" in which some errors had crept in. We offer below the complete and accurate version of this article. We apologize to our readers and to the manufacturer.

Microencapsulation is becoming increasingly important in the cosmetics, pharmaceutical and food industries.

mzr micropumps from HNP Mikrosysteme are ideal for microencapsulation, as they meet the particular requirements of dynamic, fine, constant dosing with low pulsation and shear stress. Indeed, the prerequisite for the manufacture of microcapsules is the use of extremely precise and repeatable dosing techniques. These micropumps thus provide a safe and appropriate technical solution for the manufacture of pearls or beads encapsulating active ingredients.

Several parameters are required to produce identical quality microcapsules. Flow accuracy, for which the manufacturer claims a tolerance of less than 1 %, is therefore essential for the quality of these capsules. As for viscosity, that of the capsule shell is often in excess of 10,000 mPas, which HNP Mikrosysteme pumps handle perfectly, since they can go up to viscosities of 1,000,000 mPas.

What's more, the manufacturer's pumps operate without shear stress, ensuring that the fluid is not damaged and that cells or suspensions remain intact.

Pumps such as the mzr-11508 or mzr-6305 are therefore ideal for microcapsule production. Both pumps can also be heated. 

HNP Mikrosysteme also produces other pumps and several dosing systems. The manufacturer's range covers dosing from 0.25 µl and volumetric flow rates from 1 µl/h to 1,152 ml/min. Whether in the research laboratory or in production, these fluidic solutions can handle liquids of very different types and textures, with low or high viscosity, low or high aggression, lubricating or non-lubricating, single or multi-phase, at very low or very high temperatures and pressures.

HNPM also manufactures customized fluid systems.

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