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Analysis of the role of preservatives in the processing and making of Guizhou anticorrosion wood.
Guizhou's advantage is its anti-corrosion anticorrosion advance in the market occupies a certain advantage, widely used wood preservative for outdoor decoration and environment to add luster. Most home decoration consumers will choose antiseptic wood for outdoor decoration, and choose wood preservative materials for outdoor decoration. Compared with other materials, they can greatly increase the decoration effect, and also enhance the warm atmosphere of the family to a certain extent.
Guizhou anticorrosive wood processing material grades of wood itself refers to the appearance grade, can according to the national standard GB/T153 - 1995 "GB/T4817 1995", softwood lumber "Hardwood sawn timber" and GB/T4822 1999 "test" is divided into special lumber, etc., two and three of sawn timber. The anticorrosion wood of the corresponding material grade can be selected according to the grade of the building and the ability to bear the economy.
The methods of treating wood with preservatives are impregnation, spraying and painting. The impregnation method includes the normal temperature impregnation method, the cold and hot groove method and the pressure treatment method (including vacuum pressure). In order to ensure the penetration of preservative enough, the compression treatment should be adopted for the sawn wood, laminated wood, plywood and composite wood.
Guizhou anticorrosive wood processing in the selection of three kinds of water soluble artificial wood preservative preservative treatment, should pay attention to identification of sapwood penetration rate of preservatives. Some antiseptic wood preservatives only stay on the surface of wood, and the interior of wood remains untreated because of the difficulty of infusion.
Used in the antiseptic treatment of softwood, not impregnated species including larch, spruce, fir and pine sapwood etc.. At present, the common Russian Pinus sylvestris var. mongolica is also a more difficult species to dip into, and it is easy to produce inhomogeneous infusion