For the construction of waterborne wood coatings, it is very important to obtain good construction effects. Maintenance of paint film is very important. Especially in the winter, waterborne wood paint is used. If the paint film cannot be well maintained, it will make waterborne wood paint. The coating effect is greatly reduced.
Ou Long Paint ( Western Chemicals )
1, winter waterborne wood paint film maintenance time
For waterborne wood coatings, there are two basic concepts in terms of the curing time of the paint film: in summer, due to the high temperature in the air, the paint drying cycle is generally seven days; in winter, although the air is relatively dry, the humidity is not High, but the temperature is low, so the paint has a long dry cycle, usually 14 to 20 days, depending on the specific temperature.
2, winter waterborne wood paint film maintenance precautions
(1) Pay attention to the dust protection of the construction environment. In winter, the general climate is dry, poorly ventilated, and the dust is heavy. This can easily cause the problem of frizz and uneven film formation. Therefore, in construction, it is best to close the doors and windows to prevent dust. Being blown by the wind, it falls on the paint film;
(2) Appropriate equipment can be used to speed up the curing speed of the paint film. For example, tungsten light can be used to illuminate the heating in the north;
(3) After waiting for the film to dry, use the hand to push the door and window open on the top of the paint film.
(4) In winter, although the curing speed of single-component waterborne wood lacquer is slower, but with the extension of time, the hardness of the paint film will become higher and higher, and everyone need not panic;
(5) Avoid heaters close to stoves and heaters, so as to avoid high-temperature baking, resulting in cracking of the surface of wooden furniture, and paint film peeling off;
(6) Winter paint film maintenance time is longer, so during the period of time when the paint film is cured and the real hardness is reached, care should be taken not to scratch the paint film with a hard object or directly on the surface of the paint film. Causes physical damage to the paint film.
(7) If there is a physical scratch during the film maintenance, you do not need to panic. You can use sandpaper to smooth the scratched paint film surface, and then use the water base polyester paint to paint. .
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