The Role of Methyl Fluorosilicone Oil as a Defoaming Agent in Coatings II

1. Defoaming and Anti-Foaming Functions
   Methyl fluorosilicone oil not only effectively disrupts existing foam (defoaming) but also significantly inhibits the formation of new foam (anti-foaming). This dual functionality makes it highly effective during the production, mixing, and application processes of coatings.
2. Hydrophobicity and Oleophobicity
   Methyl fluorosilicone oil exhibits excellent hydrophobic and oleophobic properties, preventing the formation of stable foam from water and oil components in coatings. This characteristic ensures superior defoaming performance in both water-based and solvent-based coatings.
3. High Efficiency
   Methyl fluorosilicone oil is highly efficient as a defoaming agent, requiring only minimal amounts—typically 1 ppm (part per million) of the foaming medium—to achieve significant defoaming effects. This high efficiency reduces usage costs and minimizes potential negative impacts on coating performance.

Summary
Leveraging its low surface tension, chemical stability, thermal stability, and hydrophobicity, methyl fluorosilicone oil rapidly penetrates and destabilizes foam while maintaining the stability and performance of the coating system. These properties make it an essential defoaming agent in the coatings industry.

https://www.siliconeoil.cn/productcategory-te-zhong-gui-you.html