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AEROSIL® fumed silica for unsaturated polyester and vinyl ester resins

Many applications for unsaturated polyester resins and vinyl ester resins need to have a certain viscosity level and thixotropic behavior. The pure resins do not show a thixotropic behavior on their own and usually are on a low viscosity level. Therefore thickening agents and thixotropes have to be used. The most important and customary used thickening agent and thixotrope is fumed silica. AEROSIL® fumed silica is added to UP and VE resins for viscosity control and to achieve the desired thixotrope effect. Furthermore AEROSIL® fumed silica works as an anti-settling agent and can be used in transparent applications.
For more detailed information, we recommend reading Technical Bulletin Fine Particles No. 54.

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AEROSIL® for Resins

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Technical Bulletin 54: AEROSIL® Fumed Silica in Unsaturated Polyester Resins and Vinyl Ester Resins  (pdf, 635 KB)

This bulletin is a guide for the use of AEROSIL® Fumed Silica as a thixotrope in unsaturated polyester resin and vinyl ester resin applications such as gelcoats and laminate resins.

EN

Technical Information 1279: Successful use of AEROSIL® fumed silica in liquid systems  (pdf, 759 KB)

The Technical Information No. 1279 is a brochure that describes how to incorporate AEROSIL® fumed silica into liquid systems.

EN

Further information:

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