Silicon Antifoaming Agent- Shynthesis Chemical Lab

Silicone-based foam control additives are often the most cost-effective and efficient options for preventing and controlling foam. Due to their low surface tension, silicones spread evenly and rapidly over a foam film, facilitating penetration and collapse of the foam. A defoamer or an anti-foaming agent is a chemical additive that reduces and hinders the formation of foam in industrial process liquids. The terms anti-foam agent and defoamer are often used interchangeably. Strictly speaking, defoamers eliminate existing foam and anti-foamers prevent the formation of further foam. Antifoaming agents have high surface activity that can lower the surface tension of local film when its micro droplet contacts liquid film. This local area of low surface tension will extend all around, losing elasticity and self-restoring ability, thus causing the rupture of liquid film. Antifoams are chemical agents designed to control the wasteful formation of foam during industrial processes. They come in many different forms including mineral oil, silicone, natural organic and synthetic organic, and the appropriate kinds will depend on the type of foam that needs to be prevented.-SYNTHESIS CHEMICAL LAB.