During wooden deck paint refinishing, foam formation often compromises coating quality, leading to uneven surfaces or poor adhesion. Chemi Tech defoamers address this issue with their unique chemical composition, rapidly eliminating bubbles to ensure optimal results.
Mechanism of Defoaming
Chemi Tech defoamers reduce surface tension in paint, causing bubble walls to collapse and release gas. Their molecular structure penetrates bubble surfaces, destabilizing them and preventing defects like pinholes or craters after drying.
Key Application Steps
1. Dosage: Add 0.1%-0.3% by weight of paint, adjusting based on environmental conditions.
2. Mixing: Blend evenly during stirring to avoid localized over-concentration.
3. Temperature: Optimal performance at 5-40℃; higher temperatures may require increased dosage.
Precautions
- Avoid excessive use with thickeners, which may reduce defoaming efficiency.
- Conduct small-scale tests prior to full application to ensure compatibility.
Chemi Tech defoamers are widely used in wooden deck refinishing projects, offering reliable performance and stability for superior coating quality.