Why is there a color difference in anti-corrosion wood?
First, product advantages:
Answer: high density, high strength, good nail holding power, clear texture and decorative effect to prevent wood from rot in outdoor environment, anti-termite and other insects, erosion, anti-fungal organisms, mildew prevention, aquatic (fresh water, seawater) parasitic Insect parasites can be widely used in water-view molding products, can be directly installed, and easy to maintain ACQ treatment, environmental protection, can promote global forest growth, not easy to deform or crack, economical and durable, beautiful and decent.
Second, to what extent does the penetration of product preservatives reach?
A: Infiltration refers to the amount of pharmaceutical per cubic meter. The NTRA EU standard is 12 kg per cubic meter. The sapwood part of the tree can be completely saturated by the high pressure treatment agent. Because the tree core part of the tree contains wood glue, the antiseptic agent cannot penetrate, but the wood glue itself has antiseptic properties. Therefore, the degree of corrosion protection of the product is in line with the standard.
Third, use domestic wood and then brush the tung oil, can replace the anti-corrosion wood? What is wrong with it?
A: Brushing wood with tung oil is not a substitute for preservative wood. The principle is equivalent to the anti-corrosion wood which is soaked and coated with preservatives. The tung oil which acts as a protective layer on the wooden surface will lose its anti-corrosion due to the passage of time and the cracking of the wood itself. It needs frequent maintenance, generally every 2~3 years. Perform a comprehensive maintenance brush.
4. Why is the deformation and cracking of wood related to moisture content?
A: Wood is a natural material. Cracking is caused by various reasons such as water content and different wooden rings. It is a normal phenomenon. As a kind of anti-corrosion material, the preservative is designed to prevent corrosion. The wood can be placed in the harsh environment outside to resist the erosion of termites, the growth and decay of spore fungi, the lodging of aquatic organisms and the reproduction of other insects. Use time in a natural environment. Current antiseptics only have antiseptic properties and do not impede moisture ingress, so the wood will still crack.
5. Why is the deformation and cracking of wood related to moisture content?
A: Wood deformation is caused by internal stress, which is caused by changes in the surface area of ​​the wood surface. The root cause of this change is because the moisture content of the wood has changed. Since the wood is composed of many rounds, the age of the annual rings on the two surfaces of the rotary cut sheet is not equal. The image says that the older one faces the slower reflection of moisture, while the younger one reflects the moisture. fast. Therefore, under the same conditions, the surface area of ​​the older side changes without the surface area of ​​the younger side. And because the wood is not malleable, the reduced area only increases the surface area by cracking to maintain balance. So we say that cracking and deformation are closely related to the moisture content of wood.
6. Why do some wood cracks are large, some cracks are small, and cracking of large material is more severe than cracking of small materials?
A: The wood is composed of many annual rings. The water content of different annual rings is not equal. The deformation and cracking of wood are closely related to the water content. The annual rings involved in the large materials are more than small materials, and the Nordic factories are cutting. When the small material is used, it will be technically avoided as much as possible, and the large part of the material is difficult to avoid because of the specification restrictions, so the large material cracks more seriously than the small material.
7. Anti-corrosion wood is a kind of natural material. It is inevitable that cracking and deformation will occur. After construction, how to maintain it can minimize cracking and deformation? A: Anti-corrosion wood used for outdoor use, cracking and deformation are caused by many factors. The humidity caused by natural phenomena such as place, sunlight, and rain due to rain is the cause of such phenomena. We cannot change these natural conditions, so there is no better maintenance method at present, but it can be controlled as much as possible during the construction process. The outermost surface of the anti-corrosion wood product is the most reliable and best performing part, so the grinding and profile of the anti-corrosion wood product should be reduced as much as possible.
8. Why is there a color difference in anti-corrosion wood?
A: The wood is taken from the trees. Naturally, the trees themselves have color differences. The heart of the tree is contained in the wood glue oil color will be deeper than the sapwood. Our aim is to prevent the wood from being preserved instead of changing the color difference. The color difference can be adjusted by protecting the wood clear oil. It is recommended that the moisture content be less than 20%. It will usually be carried out six months after installation.
9. Why is it necessary to use water-based paints at the best time?
A: The water-based paint has strong penetrating power and can better coloring. It is best to apply the anti-corrosion agent after it has been volatilized. It is recommended to be six months after the completion of the construction.
X. Why do metal parts in construction use stainless steel, etc. Why can't general materials be used?
Answer: Because the impregnated anti-corrosion wood contains copper ions in the anti-corrosion agent, it has certain corrosive properties. Therefore, it is recommended that the metal parts in the construction be made of stainless steel.
11. How to avoid wood cracking during construction?
A: If possible, the existing size and shape should be used as much as possible. Any processing of the impregnated material, such as drilling, fine planing, and cutting, will shorten the service life of the impregnated material. It is recommended to use hot-dip galvanized nails or screws for connection and installation during construction. Pre-drilling should be done when connecting so as to avoid cracking and the glue should be waterproof. Try to use more than two levels of anti-corrosion wood, because its water content is less than 20%, it can effectively prevent cracking and deformation. If it is necessary to use a water content of more than 20%, at the construction site, the stacking of the wood should have a gap of 10-20MM per layer, and can be placed on the site for more than 72 hours before construction, and during this period Prevent direct sunlight. This will reduce the possibility of wood cracking. In order to prevent deformation, the forest side with a thickness greater than 38 mm can be opened with a small groove of 10 mm wide and 10 mm deep on the center line of one side of the wooden core.
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