The selection of defoamer should focus on the following aspects:

Defoaming properties of defoaming agents: The selection of defoaming agents should give priority to their defoaming properties, that is, whether the defoaming agent can remove foam quickly and effectively. Poor defoaming performance of defoaming agent may lead to interference in the production process, affecting the quality of products and production efficiency.

Stability of defoamer: The stability of defoamer is one of the important indexes for selecting defoamer. If the defoamer is unstable, it may occur metamorphism, decomposition, oxidation and other reactions, which will affect the defoamer effect and the quality of the product.

Safety of defoamer: The selection of defoamer should consider its safety, that is, whether the defoamer is harmful to the human body and the environment. Some defoaming agents may cause harm to the human body and the environment, so you should choose a high safety defoaming agent.

Compatibility of defoamer: The selection of defoamer should consider its compatibility with other materials. If the defoamer is not compatible with other materials, it may lead to the loss of the effect of the defoamer, and even have an adverse effect on the quality of the product.

Price of defoamer: The selection of defoamer should also take into account its price, that is, whether the cost of the defoamer is too high. Selecting the appropriate price of defoamer can effectively reduce the production cost.

To sum up, the selection of defoamer should focus on its defoamer performance, stability, safety, compatibility and price. Only on the basis of comprehensive consideration of these factors, can we choose the appropriate antifoaming agent to ensure the quality of products and production efficiency.