What does the destination do?

The function of topcoat is to prevent dust and prolong the service life of main coating.

1, dustproof

An important function of topcoat is dustproof. Taking real stone paint as an example, if there is no topcoat after the construction of real stone paint is completed. It is easy to cause the real stone paint layer to be white and water-resistant, which affects the decorative effect.

2, the service life of the main coating is prolonged.

The topcoat has the functions of alkali resistance and ultraviolet resistance. For example, in the changeable weather environment, the topcoat can greatly protect the service life of the real stone paint layer and keep it beautiful and lasting. This is why many real stone paints are very different from those sprayed for a period of time after many years, so the importance of topcoat for real stone paints is self-evident.

What details should be paid attention to when using topcoat:

1. Although the topcoat construction is simple, attention should be paid to the details. In the early stage of topcoat, real stone paint needs to be dried. Usually it takes a week for the real stone paint to dry completely. During this period, topcoat spraying is not allowed, otherwise the effect will be affected.

2. When painting the top coat, it is necessary to choose the appropriate weather, and construction is not allowed in rainy days or windy and snowy days, which will cause uneven paint film and poor gloss. It is generally recommended that the construction temperature be between 10-35 degrees. Too high or too low will affect the film-forming effect of the top coat. In addition, when preparing topcoat, you can't add water, which will affect the adhesion and gloss, and you can't use curing agent at will.

3. When painting the top coat, roll coating, brush coating and spray coating can be used. Note: If it needs to be repainted, it will take 2 hours, and in the process of brushing, it should be noted that the roller should be dipped in water evenly, and repeated brushing is not allowed, which will cause the paint surface to be shiny and uneven.

4. If the paint is matte varnish, South Africa should stir it evenly before using it, and stir it according to the instructions. Before construction, the basement must be kept dry and clean without any attachments.