Water-based wood paint runs off oil---Ask a water paint expert

Question:

Waterborne wood lacquer should run oil to a rainy day only, or brush one day, also can run oil when waiting for the 2nd day to brush again, did

especially ugly later . Water-based white paint does not have this problem. The problem ofwater-based varnish is obvious.

Answer：

Although it is a water-based paint, the film is hydrophobic. Brush the water-based paint on the water-repellent paint mold to remove oil due to water

wetting. White paint does not have this phenomenon, because white paint is relatively thick surface.

Solutions include:

1.Reduce the surface tension to a certain extent to reduce the smoothness of the film surface.

2.Do not use fluorinated surfactants.

3.Try to use a surfactant with good hydrophilic properties.

4.Pay attention to the HLB value

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