The shortcomings of preservative wood?
Hengxi wood preservative wood for the majority of imports of Russian Pinus sylvestris, Pinus sylvestris is mainly distributed in the size of Xing'an Mountains, Russia and other places, a wide range of sources, good corrosion resistance, mechanical processing and drying performance, clear grain, small deformation coefficient , Easy to paint after corrosion. The disadvantage is that the heartwood is larger. Hengxi anti-corrosion wood also has the South pine antiseptic wood, the European pine pine wood.
The main role of wood preservative treatment in order to prevent decay, pest control, anti-marine drilling animals and damage, no anti-cracking effect. Wood deformation and cracking is mainly due to the wood anisotropy and the characteristics of dry shrinkage, wood corrosion can not change these two characteristics. Relatively speaking, the probability of radiation cracking is small.
To clear the use. China's current market, there are copper, quaternary ammonium copper, copper chrome arsenic, boron compounds and other wood preservative treatment of wood preservative. Need to clear the different anti-corrosion wood used in different places. Quaternary copper corrosion wood is less water resistant and should not be used in water. Copper chrome arsenic preservative wood, because the arsenic is harmful to the human body, not used in building decoration, furniture and direct contact with people. Boron compound preservative wood is usually used only above the indoor floor.
