How to buy and use Finnish wood in Guizhou correctly:
First, choose the brand, than the price. When choosing anticorrosive wood, try to choose a brand with a trademark or industry name, and don't just look at its price. It is necessary to select regular manufacturers with a legal business license, a fixed factory (site) address and contact address, a certain production or sales scale, and a standardized trademark. For example, Shanghai Juye Wood Industry, Zhengshan Wood Industry, Datong Wood Industry, etc.
2. Request for quality inspection report. When choosing anticorrosive wood, try to choose an anticorrosive wood with a product inspection certificate.
Third, familiar with the quality level. When buying anticorrosive wood, don't just look at the color and appearance, you should pay attention to its drug load and penetration depth. Take CCA-C wood preservative-treated anti-corrosive wood as an example. If it is used outdoors but does not touch the ground, the drug loading capacity of the anti-corrosive wood should be greater than or equal to 4 kg / m3, and the penetration depth should be greater than or equal to 85. %; If used outdoors, contact the ground or immersed in fresh water, the drug load of the anticorrosive wood should be greater than or equal to 9.6 kg / m3, and the penetration depth should be greater than or equal to 95%. From the surface color, the preservative wood is generally green or blue-green, because the CCA or ACQ wood preservatives contain copper ox