There is a popular saying in the paint industry "three points of paint and seven points of wood", that is, the quality of the substrate itself greatly affects the effect of coating. The best moisture content of the wood to be constructed is 8%~10%, water-based wood paint before construction, processing the substrate is a very important step, do this step can make the water-based wood paint coating effect doubled.
Dispose of the residual grease, dust, wooden thorns and dirt on the substrate to avoid lacquer diseases affecting the normal use of furniture. Common substrate treatments include: decontamination, deburring, degreasing and Scrape puttying.
1.Decontamination
Grease, glue, dust, dust and dirt on the surface of the wood will seriously affect the uniform coloring, curing and adhesion of the paint film.
Use an air compressor or bristle brush to clean the dust and wood chips on the surface of the wood, and then use hot soapy water or alkaline water to wash off the grease and glue marks on the surface of the substrate, and after the wood is dry, use sandpaper to follow the wood grain for sanding.
2.Deburring
Water-based wood paint is diluted with water and painted, and the wood will have wood grain protrusions, granules, burrs and other phenomena when exposed to water, making the surface rough and uneven, resulting in uneven coloring.
You can use the method of wetting first, then drying, and then sanding to remove burrs, pay attention to not use too much force when sanding, so as not to produce new wooden thorns and burrs.
3.Remove grease
Residual grease on the substrate must be removed before applying waterborne wood paint, otherwise problems such as poor film curing, reduced adhesion and uneven application may occur.
The use of solvent wipe or lye cleaning can remove the grease on the wood, but it should be noted that the solvent is toxic and the safety hazard is greater.
4.Scrape puttying
The wood has nail eyes, worm eyes, pits and other defects to repair and fill to reduce the surface roughness and increase flatness to obtain a plump, thick and shiny surface paint film.
Before applying water-based wood paint, you can choose the appropriate method according to the actual situation of the substrate to do the basic skills to the greatest extent, which is a necessary step to create high-quality furniture. Haisun water-based wood paint, 3 minutes dry 4 hours delivery, welcome to consult.