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Test method for water resistance of dispersants in water-based industrial coatings
time：2023-04-24 clicks：367
Test method for water resistance of dispersants in water-based industrial coatings
1. Formulation of industrial paint paste
Pigment blue | 40-50% |
Dispersant 190 (Huaye) | 6-8% |
Wetting agent 1040 (Huaye) | 1-2% |
2. 、Formulation of industrial paint
industrial paint paste | 5% |
single-component light anticorrosive coating | 95% |
3. Procedure
The coating is scraped with a 120μm wire rod on a tinplate and immediately baked in a 55°C oven for 10 minutes. After cooling, the coated plate is placed in a 5% sodium chloride solution for 24 hours to observe the foaming and peeling of the paint film.
4. Conclusion
The ideal result is a paint film without foaming and without scratches after being lightly scraped.
