For the consumer, the wood is still a relatively unfamiliar term. In the past, the use of preservative wood was mostly in gardens and other places, but now because of its strong anti-corrosion performance, it has been boldly applied to home decoration by some designers. How consumers choose high quality wood is a big problem. The following editors teach you five options for wood preservatives. You can easily select the wood materials you are comfortable with. From the wood-related quality certificates and documents, to the careful inspection of colors and materials, consumers must look through them.
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â—†Dealers are required to provide quality certification documents related to preserved wood:
In general, the more dealers offer and the more complete, the more secure their products are. However, consumers should be wary of providing the other party with evidence that is meaningless and worthwhile.
There should be proof documents generally provided by preserved wood:
A. Preservative pressure processing production license (since preservatives are needed under special protective conditions)
B. Environmental Protection Certificate (ISO14001)
C. Product Quality Certification System Certificate (ISO9001)
D. Inspection certificate (imported product)
â—† Screening quality of wood antiseptic pressure treatment:
The sapwood is fully immersed in preservatives and the surface is clean and even. From the aspect of wood, the quality of preservatives immersed in sapwood is good, because the heartwood part of the tree species has natural durability, but most other species should generally be immersed in preservatives.
â—† Identify the material quality:
From an intuitive point of view, the finer the wood rings are, the better the materials generally are. Because the annual rings show that the wood grows slowly, simply saying that the wood that is not “squeaky†from the cut surface should be a better wood.
â—† Screening the stability of wood preservatives:
After the wood is treated with anti-corrosion treatment, the stability of the different preservatives varies greatly. After the pressurization treatment, the stability in the wood is also greatly different. The use of preservatives with unqualified quality does not have anticorrosive properties to the wood. Too much improvement, on the contrary will cause major potential harm.
The color change of the soaking water is the smallest, and the preservative stability is good. Take samples of different preserved wood (same specifications, same moisture content), soak in the same temperature, the same volume of water, after the same soaking time, observe the color of the water, the color of the smallest changes in the stability of the best preservative . However, this is not an absolutely accurate method because the concentration of preservatives at the time of processing may also vary greatly.
â—† Screening wood processing quality:
Uniform specifications, small error, good processing quality. You can first look at the specification of the wood as a whole, and there is not much error in correctness and orderliness. Generally thinner plate errors should be less than 0.5-1mm; the overall error of larger size materials should not exceed 2mm. Generally, there is no error in the specifications because of the material under the production line. Hand-processed materials, however, have large errors and can cause construction difficulties. In addition, for the planer material, you also need to look at the quality of the surface planing, smooth and natural is better.
Since there are still relatively few manufacturers involved in the production of preserved wood in China, it is inevitable that some non-standard plant materials will use unbaked plates, and cutting corners and cutting materials will reduce costs, and the inherent quality of the preserved wood will not only not be guaranteed, but will also be used during use. There will be cracking, size reduction, etc., so consumers must repeatedly compare the above methods when purchasing preservative wood, and purchase genuine wood with good quality and high corrosion resistance.
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