How to Add Chemi Tech Defoamer in Acrylic Anti-Corrosion Paint 

Foam formation during the production and application of acrylic anti-corrosion paint can compromise coating quality and anti-corrosion performance. Chemi Tech defoamers effectively suppress foam but require precise addition for optimal results. Here’s a technical guide:  

1. Dosage Control  

The recommended dosage of Chemi Tech defoamer is 0.1%-0.5% of the total paint weight. Excessive amounts may cause craters or adhesion issues—small-scale tests are advised to determine the ideal ratio.  

2. Addition Timing  

- Production Phase: Add after resin dispersion but before filler incorporation to ensure homogeneity.  

- Pre-Application: If foam appears after storage, add 0.05%-0.1% with low-speed agitation.  

3. Mixing Process  

Use a high-speed disperser at 800-1200 RPM for 10-15 minutes. Avoid excessive shear to prevent defoamer degradation.  

4. Troubleshooting  

- Craters: Reduce dosage or switch to a low-surface-tension variant.  

- Stratification: Verify compatibility; pre-dilute the defoamer (e.g., 1:1 with propylene glycol) if needed.  

Chemi Tech defoamers, with their stable chemical structure, suit high-viscosity systems and resist stratification during storage. Tailor the process to your paint formulation for bubble-free, smooth coatings.