Discussion on how to choose anticorrosive wood by experts
Guizhou anticorrosion wood small editor today for everyone to use several angles:
1, the choice of kinds of drugs: most of the antiseptic wood is made of CCA as preservative, and the preservative has low antiseptic property and low price. At present, the most advanced preservatives in the world are the first to push ACQ, and their anti-corrosion performance is strong and the price will be slightly higher.
2, to see the concentration of drug: the same as the ACQ as an anticorrosive component of wood, the higher the concentration of drugs, the stronger the anti-corrosion performance. The average concentration of the original medicine is 1 to 10, but many bad businesses have poured a lot of tap water in the original wood, and the ratio of 1 to 30 has greatly reduced the corrosion resistance.
3, we need to see the depth of the penetration of chemicals into the wood: the depth of the agent determines the degree of protection of the wood, and a certain irrigation technology affects the depth of the agent. Different wood on different irrigation pressure pressure requirements, such as general antiseptic treatment process requirements of atmospheric pressure should not be less than 16 standard atmospheric pressure, more than 8 hours; pine penetration is not less than 1.5CM, Chinese fir is not less than 2CM; then the 3CM thickness of the pine boards should do medicine full penetration; while ACQ is the use of wood preservative the vacuum tank pressurization of a preservative treatment dose of ACQ is pressed into the wood, the irrigation technology has a market advantage absolute pressure.
4, pay close attention to the negative centimeter difference: the product size is the key point when buying antiseptic wood. If you don't ask for it during the purchase process, it's easy for businesses to make an issue here. The actual size you want to buy is 4000*12.5*3.5. If you are not strict in this size, the seller will probably sell you 4000*12.3*3.3 or less, and the total price will be 250 yuan / cubic meter. Guizhou preservative wood little editor is here today.