What property of a defoamer or anti-foaming agent is important?

In the previous article, we introduced the types of defoaming agents, so how do the performance parameters of the defoamers manifest? What performance do we need to focus on?

In this article, we will answer this question.

The defoamer's performance parameters include defoaming performance, foam suppression performance, degassing performance, stability, solid content, viscosity, PH value, etc.

Usually, these parameters will be reflected in the TDS document.

1) The defoaming performance is the ability to remove the foam that has been generated

2) Foam suppression performance is the ability to suppress the generation of new foam.

3) The degassing performance means make small bubbles to become a big one and reach the surface quickly.

4) Stability refers to maintaining performance without degradation during use and during transportation and storage.

Including high-temperature resistance, acid and alkali resistance, shear resistance, dilution stability, centrifugal stability, to have aging stability and shock stability.

There are many test methods for these properties, such as shake bottle test, cycle bubbling test method, density test method, coating film test method (mainly used in water-based coatings, inks) test equipment as shown below:

The purpose of testing can be to develop new products or to recommend suitable products for use by clients.

Our company provides customized solutions, so testing is especially important. Welcome to communicate with us about the bubble problem you encountered.