Popular knowledge about polishing fluid defoaming agents

Polishing fluid is a chemical liquid used for surface polishing and repair. It is usually a compound composed of solvents, abrasive powders, additives and stabilizers. Chemical preparations that are often used in the field of surface treatment often produce foaming during use. In order to solve the foaming problem, polishing fluid defoaming agents came into being.
Causes of blistering:

1. Surface tension: Chemical substances such as surfactants, additives and solvents in the polishing fluid may have high surface tension, resulting in the formation of stable bubbles on the surface of the liquid.

2. Stirring and vibration: Stirring, vibration or spraying operations during the use of polishing fluid will cause air to mix into the liquid, forming a large number of bubbles.

3. Temperature changes: Temperature changes may cause dissolved gases in the polishing fluid to be released and form bubbles.

Negative impact:

1. Weaken the polishing effect: Foaming will weaken the effect of the polishing fluid when it comes into contact with the surface of the object, reducing the grinding and repairing capabilities of the polishing fluid and affecting the smoothness and gloss of the surface.

2. Impact on visual inspection and evaluation: The presence of a large number of bubbles will interfere with the visual inspection and evaluation of the polishing effect, making it difficult to accurately judge the repair process and effect.

3. Affect coating adhesion: The presence of bubbles during the coating formation process may reduce the adhesion between the coating and the substrate, affecting the quality of repair and painting.

Characteristics of polishing fluid defoamer:

1. Inhibit foaming: The active ingredients in the defoaming agent can quickly diffuse to the bubble surface, reduce the surface tension of the liquid, destroy and eliminate bubbles, and inhibit the occurrence of foaming.

2. Stability: It has certain stability and can maintain the anti-foaming effect in the polishing fluid for a long time, allowing it to continue to play a role in the polishing process.

3. Compatibility: It is compatible with other ingredients in the polishing fluid and will not cause adverse reactions or have a negative impact on the polishing effect.