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Test method for water resistance of dispersants in water-based industrial coatings
time:2023-04-24    clicks:325

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.