Tips & Tricks
What does an anti-foaming agent consist of?
An anti-foam agent consists of three main components: a carrier fluid, a hydrophobic agent and a thinner.
Carrier fluid: An oil that is insoluble in the foaming medium. Due to its low surface tension, the oil migrates to the air-liquid interface. This can be a vegetable oil, mineral oil or silicone oil.
Hydrophobic agent: Consists of finely divided solid particles that move across the surface together with the carrier fluid. They disrupt the structure of the bubble walls, causing the foam to collapse.
Thinner: This is usually water. Because anti-foaming agents are effective even in very low doses, stable dilutions ensure accurate dose control. This not only provides more efficient use of the product but also saves costs.
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