Dosage of defoaming agent

There are many types of defoaming agents, and different types of defoaming agents require different amounts. Below we will introduce to you the amounts of six types of defoaming agents:

1. Alcohol defoamer: When using alcohol defoamer, the dosage is generally within 0.01-0.10%.

2. Grease defoamer: The addition amount of grease defoamer is between 0.05-2%, and the addition amount of fatty acid ester defoamer is between 0.002-0.2%.

3. Amide defoamer: Amide defoamer is more effective, and the amount added is generally within 0.002-0.005%.

4. Phosphoric acid defoamer: Phosphoric acid defoamer is most commonly used in fibers and lubricating oils, and the addition amount is between 0.025-0.25%.

5. Amine defoamer: Amine defoamer is mainly used in fiber processing, and the addition amount is 0.02-2%.

6. Ether defoaming agents: Ether defoaming agents are commonly used in papermaking, printing, dyeing, and cleaning. The added amount is generally 0.025-0.25%.