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Evonik develops new dispersion for water-based systems

International. Evonik Resource Efficiency presents VP Disp. WF 7620: the latest rheology control dispersion in the portfolio of its commercial line of coating additives. Dispersion was developed especially for water-based systems.

Because viscosities are generally lower in water-based systems, VP Disp. WF 7620 efficiently prevents the settlement of pigments and fillers in the liquid phase and sagging during spray application. Its main applications are high-performance water-based coatings for the industrial and automotive industries. It is especially recommended to use it through spray applications.

The new dispersion has a very high compatibility. As a result, the use of defoamers can be minimized. In addition, VP Disp. WF 7620 has a wider range of uses as it does not interfere with other ingredients in the formulation. It is suitable for both pigmented and clear water-based formulations.

With the use of VP Disp. WF 7620, customers can sauté pearl milling and do not need any other high-shear equipment to incorporate the additive into the formulation. Use during the manufacturing process is, in fact, quite simple: the dispersion only needs to be stirred, which immediately provides high rheological effectiveness without a separate adjustment of the pH value. As a result, a final addition (post-addition) is also possible to adjust the viscosity during paint production. The dispersions allow dust-free handling of AEROSIL smoked silica dust in liquid media. They are ready to use and easy to handle.

Duván Chaverra Agudelo
Author: Duván Chaverra Agudelo
Jefe Editorial en Latin Press, Inc,.
Comunicador Social y Periodista con experiencia de más de 16 años en medios de comunicación. Apasionado por la tecnología y por esta industria. dchaverra@latinpressinc.com

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