The structuring process of mixed silicone rubber primarily involves vulcanization crosslinking and branching and crosslinking of silicone rubber molecular chains. Vulcanization crosslinking occurs through chemical reactions between silanol groups in the silicone rubber raw material catalyzed by vulcanizing agents, forming a three-dimensional network structure. The branching and crosslinking of silicone rubber molecular chains are achieved through interactions between silanol groups among molecules, resulting in a more stable structure.

The degree of structuring significantly impacts the properties of mixed silicone rubber. When the degree of structuring is moderate, mixed silicone rubber exhibits good strength, elasticity, and wear resistance. However, excessive structuring increases the hardness and brittleness of the material, reducing its fatigue resistance and wear resistance. Therefore, during production, it is crucial to control the vulcanization process by selecting appropriate vulcanizing agents, adjusting the types and proportions of fillers, and managing the mixing temperature and time to achieve optimal performance.

General Purpose Fumed Extrusion Silicone Rubber