Choosing the appropriate water-based light oil defoamer is crucial for ensuring product quality and process stability. Here are some performance evaluation and selection guidelines:

Performance evaluation indicators

Defoaming speed: evaluate the speed and efficiency of defoamer to eliminate foam.

Foam inhibition performance: investigate the ability of defoamer to inhibit the regeneration of foam for a long time.

Compatibility: Check the compatibility between defoamers and water-based varnish systems to ensure that no delamination, precipitation, or other phenomena occur.

Stability: Investigate the stability of defoamers under different temperature, pH, and other conditions.

Selection guide:

Clear requirements: Determine the required defoaming performance and dosage based on specific process and product requirements.

Experimental verification: Conduct small-scale experiments in the laboratory or production line to verify the actual effectiveness and applicability of defoamers.

Cost effectiveness: Taking into account the price, dosage, and effectiveness of defoamers, choose products with high cost-effectiveness.

Environmental safety: Ensure that the selected defoamer complies with environmental regulations and safety standards, and avoid the use of harmful substances.