The meaning of wood paint construction
Wood lacquer refers to a type of resin lacquer used for wood products, including polyester, polyurethane paint, etc. It can be divided into water and oil. According to the gloss can be divided into high light, semi-matt, matte. According to the use can be divided into furniture paint, floor paint and so on. The wood lacquer makes the surface of the wooden furniture more smooth and avoids direct scratches and scratches of the wooden material by the hard objects, effectively prevents the moisture from infiltrating into the wood and causes rot, and effectively prevents the sunlight from drying out and causing dry cracking of the wooden furniture.
Wood paint construction process
(1) Varnish construction process:
Clean the surface of the woodware → Polished paper → Polished powder → Polished sandpaper → Full scrape the first time putty, sandpaper polishing → Full scraping the second time putty, fine sandpaper polishing → Brushing oil color → Brush the first time varnish →Fight for color, refill putty, polish fine sandpaper → brush the second time varnish
Fine sandpaper polishing → brush the third time varnish, polishing → polishing sandpaper polishing, waxing, polishing.
(2) Mixed color paint construction process:
First, clean the dust on the surface of the base layer, repair the base layer → level off with matte paper → paint on the frugal part → puttying on the bottom → dry oil → first pass paint scraper → polishing → brushing primer → primer Dry hard → brushing the surface layer → repair putty to repair → polish wipe the third time the paint brush brush the second time coating → polishing → third paint finish → polishing wax.
Wood paint construction considerations
1, not at the same time with latex paint construction
Wood lacquer products contain toluene diisocyanate (TDI). If the wood lacquer and emulsion paint are applied at the same time, these free TDIs will react chemically with the components in the latex paint to yellow the walls of the latex paint.
Therefore, wood lacquer and latex paint cannot be constructed at the same time. It is recommended to brush the wood lacquer before painting the wall lacquer to prevent the ingredients in the wood lacquer from contaminating the wall.
2, to prevent hardware pollution
In addition to the operation should be detailed and timely clean the hardware and other non-polluting areas, should be painted as soon as possible, after the installation of door locks, handles and latches, etc., to ensure that the hardware is clean and beautiful.
3, when the deployment of matching products
When wood coatings are applied, if water-based wood varnishes are used, they only need to be diluted with water in proportion. If nitrocellulose paints and polyurethane paints are used, the relevant curing agents and diluents need to be added, and they must be formulated in strict accordance with the fixed ratio.
Therefore, nitrocellulose lacquer and polyurethane lacquer in the construction process, it is best to have professional guidance. Strictly according to the proportion and use of supporting diluents and curing agents to avoid biting and wrinkling.
4, after the deployment of wood paint to be filtered
After the wood lacquer is deployed, it should be filtered. Because the dust in the air is mixed into the wood lacquer, it will form small particles. If it is not directly filtered, it will cause particles on the surface of the paint film. The surface is not smooth and smooth.
Therefore, after the wood lacquer is well-distributed, it is necessary to use a filter screen to filter out particulate impurities, and then it is better to perform the construction after more than ten minutes of standing still.
5, the difference between the remaining coating treatment
After the waterborne wood lacquer is used up, for the remaining lacquer, it can be stored in a cool place for further storage. The lacquer and polyurethane paints can only be used once because of the addition of curing agents and thinners, and can only be disposed of for the remaining paints.
At the same time, after the completion of the construction, the abandoned paint should be properly handled and attention should be paid to timely cleaning tools.Here are some things the owner needs to pay attention to:
The best choice for brush wood lacquer is to avoid the summer season because of the high temperature of the water-based real stone paint in summer and the high humidity in some areas. The drying time of the lacquer layer accelerates with the increase of the temperature, but the drying time is relatively slow. After the lacquer layer is dry, the painter immediately applies another lacquer, which results in the bottom lacquer layer not completely dry on rainy days or Humidity of the weather, easy to produce lacquer white phenomenon. In addition, the summer season is particularly hot, the weather is relatively large, there are many thunderstorms and windy weather, and the light is particularly strong. These climate characteristics also have great impact on the temperature, humidity, light, ventilation, and the distance from the ideal construction environment for wood ware. It is still a bit big, and it has an impact on the construction of wood coatings.
The two biggest problems in summer are high temperature and humidity. Do not perform paint work on hot and rainy days. After the first time the wood lacquer has been brushed, it needs more time before it is painted. Then the second time it is painted, this must be seen. Workers lived so that some workers did not have enough time for the duration of the project to cause whitening or peeling.
Paint wood paint paint engineering paint construction acceptance paint coating construction
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