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In view of the specific coating construction problems of water-based paint, this article focuses on discussing with you the coating technology and construction condition requirements of water-based paint.
1.
Prescribe the right medicine: choose the right water-based paint.
The water-based paints produced by most manufacturers actually have their scope of application attached to the product packaging.
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For example, water-based wood wax paint series products can be used for indoor and outdoor wood products, furniture, and floors; while water-based precious white wood paint can be applied to indoor and outdoor wood products, metals, etc.
as a covering effect.
2.
How to color: what should you pay attention to when coloring water-based paint?
Water-based paint must be toned with water-based colorants.
Generally speaking, water-based color pastes include water-based transparent, semi-transparent and covering color pastes.
Among these three types of color pastes, only water-based overlay color pastes can be used for metal refurbishment and anti-rust treatment.
When using the color paste, one bucket of water-based paint is usually mixed with one color paste.
It is recommended that you add more or less color paste according to the actual situation during the color mixing.
First add an appropriate amount of color paste, mix it into the water-based paint and mix it evenly, and then test the color on a small area.
3.
How to apply: Water-based paint can be applied by brushing or spraying.
The area is not large, and the brush construction: It is recommended to use a water-based nylon brush for water-based paint brushing.
Brush thinly along the wood texture.
When brushing, it is recommended to apply to the end at one time to reduce the trouble of brush marks.
It is not recommended to repeatedly apply back and forth.
Too many back and forth brush marks are more obvious.
If there are already brush marks after construction, use polishing cotton or fine sandpaper to lighten the brush marks.
Beautiful effect, spraying construction: spray gun construction, fast, can make the spraying surface smooth and even, and the effect is beautiful.
It is recommended to use a spray gun with a diameter of 2.
0mm when spraying, and carefully check whether the spray gun is clean before spraying.
Before construction, the surface of the wood must be smooth and clean without dust, and all surfaces that have been painted with oil paint must be polished.
Regardless of the construction method, remember not to paint too thickly during the construction process.
4.
What should be paid attention to when using water-based paint when the humidity is high and the temperature is low?
When the water-based paint is below 5°C and the humidity is about 85%, the surface of the water-based paint will appear white and the surface will dry slowly.
If you are in a hurry, you must be in a hurry for construction.
Please take measures to increase temperature and dehumidification, and increase heating tools such as infrared light irradiation to increase the ambient temperature.
5.
After the water-based paint is applied, how long will it not be wet?
After the water-based paint is applied, the paint film should not be wetted when it is not fully dried.
Generally, the paint film can achieve the best effect by not staining it with water within 7 days after the water-based paint is fully dried.
When the surface of the paint film is dry, water splashes on the surface of the painted object, and the surface of the painted film is prone to dents; when the paint film is not dry, water soaks on the surface of the paint film, which is likely to cause whitening.
By the same principle, the hardness, scratch resistance, heat resistance, water resistance and other properties of the initial paint film did not achieve the best results.
As time goes by, these physical and chemical properties will gradually improve.
