(1) the old blank furniture painted new: some blank furniture used for a long time, although not painted, but the surface has been stained with a layer of oil. In this case, as long as the sandpaper sanding, remove the stains, oil stains should be scrubbed with gasoline, can be painted according to the wood construction process.
Some wood is dry, not painted color paint, but coated with tung oil. In this case, as long as the tung oil is completely dry, scrub clean with sandpaper and smooth, you can press the wood finishing process construction.
(2) the original color renovation: wood has been painted blending paint, but the color does not look good need to repaint, refurbish the color with the same original color. In this case, there are also two ways to deal with. One is not necessary to start the bottom, as long as the paint film stained with oil with soap and water or gasoline scrub clean, can be re-coated. The other is to require all the removal of old paint before finishing. Go to the old paint can be used on one end of a wooden stick tied to the old cloth or gauze, dipped in caustic soda solution or sodium hydroxide solution, in the old paint on all the rubbing 1 ~ 2 times, see the old paint peeling, quickly rinse with water and the old solution and paint, and then dry with a clean cloth. If there are a few places not remove the old paint, can be used to scrape the glass, and then wipe clean with a dry cloth, you can re-coating the original color of the new paint or other color paint, varnish.
Caustic soda solution method: take 0.5 kilograms of dry quick lime, soda ash 0.25 kilograms, 3 kilograms of water. First pour the water into a clean barrel or iron bucket, and then dip the lime into the water. Dry lime in contact with water will expand and heat, so that the water boils and becomes lime slurry. At this time, a certain proportion of soda ash can be put into the lime slurry, and then use a wooden stick to mix the two, can be used.
Sodium hydroxide solution method: take industrial sodium hydroxide 0.1 kilograms, 60 ~ 80?C warm water 0.5 kilograms. Put the sodium hydroxide in the iron bucket, and then pour the warm water into the sodium hydroxide solution, can be used. In use, it is necessary to maintain a certain temperature and not let the sodium hydroxide solution cool.
In use, since both caustic soda solution and sodium hydroxide solution are corrosive, be careful not to splash them on your body when preparing and using them, so as not to burn your clothes and skin.
(3) plus color renovation: old wood furniture used for a long time, the color becomes obsolete, affecting the beauty, need to add color renovation. The method is based on the original paint color, weighted color, brush clear Van Lee water. Process and original color renovation similar.
(4) color renovation: wood furniture in use, due to expansion and contraction and deformation, we need to ask the carpenter to refurbish. After the refurbishment of the old furniture, its wood, color, old and new, so that only color refurbishment into a mixed color. The process is: de-greasing; batch scraping oily putty; sandpaper sanding; brush oil color; cover light.