What are the reasons why water-based acrylic emulsion dries slowly?

The reasons why water-based acrylic emulsion may dry slowly include the following:

1. High humidity: A lot of moisture in the air makes it hard for the solvent to evaporate.

2. Low temperature: Low temperatures slow down molecular movement, affecting the drying process.

3. Thick coating: Thicker layers take more time to dry.

4. Poor ventilation: Evaporated solvent can't be removed quickly.

5. Improper use of additives: Using the wrong additives can affect drying.

6. Coating method: Different application methods can impact solvent evaporation.

7. Curing conditions: For example, inappropriate curing time or temperature.

What other reasons do you know? Leave a comment and let me know.