The method of removing resin from preservative wood is as follows: Do you know how to deal with the surface of wood products? Antiseptic wood has become more and more popular as a house building material. Whether the surface of the coated wood product is smooth, clean, and whether there are defects such as stains, glue marks, resin, etc., has a direct impact on the quality of the coating. For this reason, the paint must be treated with various necessary treatments before painting. Wood surface treatment. The first is to remove the resin. Many woods contain resin, and the surface is greasy, which seriously affects wood dyeing and reduces the adhesion of coated strands. To this end, the resin and other oil stains on the surface of the anticorrosive wood should be cleaned.
Changsha anti-corrosion wood commonly used the following methods to remove resin:
1. If the resin content is small, the resin can be scrubbed off with hot soapy water and then cleaned with clean water; Guizhou antiseptic wood
2. If the content of the resin is large, it is necessary to react with the resin with an alkali solution to make it soluble soap, and then use the yarn end to dip with clean water to scrub, which is easy to remove.
Commonly used alkaline solutions are 6 to 10% aqueous solution of sodium carbonate and 4 to 5% aqueous solution of caustic soda. There are many resins, and the concentration of the alkali solution increases accordingly. Under the action of alkali solution, the surface of the white blank of the wood product will be darkened, and it will mainly become light yellow. Therefore, for wood products that require painting with light colors, it is better to use soap water with a higher concentration to remove.