How Thixotropic agents for liquid silicone works?

Thixotropic agents are additives used in liquid silicone formulations to modify their viscosity and flow properties. They create a non-Newtonian behavior where the viscosity decreases under shear stress, allowing the silicone to flow easily during processing or application, and then recover its thicker consistency once the stress is removed. This property enhances the material's stability, prevents sagging during curing, and improves its ability to fill molds or intricate designs. Common thixotropic agents include fumed silica and various clays, which enhance the performance of silicone in various applications.