Stirring & Mixing Technique

The available stirring and mixing technology allows us to optimally stir, mix and disperse adhesives, sealants, casting coumpounds, paints and varnishes on a laboratory scale. The processable product quantities start at about 0.5 g. During the processes, reproducible homogeneous mixtures are created. Due to the special procedures, it is possible to obtain bubble-free preparations or to degas products in a targeted manner.

The picture shows a dispergator in action. You can see how a yellow liquid is dispersed. — Dispergator in action

Dissolvers are disk stirrers, which are used for dispersion. For example, in this process a pigment powder is dispersed in a binder, whereby the dissolver has the function of breaking up agglomerates of primary particles.
A vertical stirrer shaft is equipped with a toothed stirring disc (dispersing disc), which is dipped into the product to be dispersed. Due to the fast rotating movement of the dispersing disk and the resulting shear forces, the agglomerates are dispersed.

The figure shows a dispergator T25 basic. The colour-coded speed table can be seen in detail. Above the speed table there is a ventilation grille and above it a colour-coded setting wheel for the speed. — Dispergator T25 basic (detail view - speed control)

Device Configuration
- Speed range: 0 to 20,000 rpm or 0 to 24,000 rpm
- Stainless steel container: 100, 250 & 500 ml
- Dispersing discs: 25, 30, 40, 50, 60 & 80 mm made of stainless steel
- Accessories: vacuum unit up to 250 ml + clamping unit
- Quantity: from 0.05 l

As additional equipment, a temperature-controlled vacuum system is available. Using this supplementary system, highly viscous products can be dispersed and degassed simultaneously. Furthermore, the dissolver is equipped with a container-clamping unit, which also enables dispersing in various containers (bottles, cups, hobbocks).

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