The name of the oak and the rubber wood is different, but the two are not a species of tree. Oak belongs to the family Ranunculaceae, which is the backbone of rubber trees and a source of raw materials for latex. In the case of some customers who do not know how to do it, some salespersons will cover up the past with "the oak is the abbreviation of rubber wood", which leads to a phenomenon of "tough oak, enamel rubber wood" on the market. What is the difference between rubber wood and oak? Is rubber wood really not as good as oak? Below the furniture fans to answer some questions that consumers care about and worry about.
Misunderstanding 1: Oak is the abbreviation of rubber wood
Positive solution: Whether it is domestic wood or imported wood, oak = rubber wood is wrong.
Oak is a parasitic genus, belonging to the family of beech, the heart of the tree is yellow-brown to reddish brown, the growth wheel is obvious, slightly wavy, with a distinctive mountain-shaped wood grain, heavy and hard, from north China to Jilin, Liaoning to Hainan, Yunnan There are distributions, but quality materials are rare, and superior oak still needs to be imported from abroad.
Rubber wood is abundant in Southeast Asian countries. It is produced in Yunnan, Hainan and coastal areas. It is the backbone of rubber trees and a source of raw materials for latex. Its wood structure is thick and uniform; the texture is oblique and the wood is hard. It is recognized as one of the most widely used lightweight hardwood woods in the world; the color is light yellowish brown, the annual rings are obvious, the wheel boundary is dark band, and the pipe hole is very small. . In fact, rubber wood is a new type of material for furniture manufacturing. Due to its unique decorative effect, the popular price makes it a cost-effective variety in the furniture industry, which is loved by more and more consumers.
From the name point of view, the national standard GB16734 "China's main wood name" rubber wood is only known as the three-leaf rubber, and the oak is an alias for paralysis, also known as Cyclobalanopsis, oak bowl tree, fine skin. The national standard GB/T 18513 "China's main imported wood name" in rubber wood is no other name, and oak is another name for red (white) ,, also known as bitter buckwheat, fat red æ Ž, é•° æ Ž and Shu Red dragonfly, white peony is also known as American white pheasant, two-color cockroach, white peony, eucalyptus, rock oyster and European cockroach.
Extended reading : seven strokes of identification of oak furniture
Oak furniture
Myth 2: Rubber wood is much cheaper than oak.
Positive solution: different origins, different materials, different prices
Some people say that rubber wood is very cheap. It used to be used for firewood. The cost of making furniture with rubber wood is low. A set of bedroom furniture is generally about 8,000 yuan. The imported red oak is 6-8 times that of rubber wood. Actually, first of all, the rubber wood was not taken seriously before, and even “no firewood is usedâ€, because it did not recognize the physical properties of rubber wood and did not realize its true value. Moreover, rubber wood is not suitable for "burning wood."
Secondly, the current price of rubber wood in China is 2,500-3,000 yuan / cubic, the price of imported rubber and wood in Thailand and Malaysia is about 3,500 yuan / cubic, and some even reach 6,000 yuan / cubic. The price of oak is 4,500-8,000 yuan / cubic. The oak furniture we generally refer to is imported red oak or white oak. The so-called domestic oak is actually the elm or elm in the northeast, because it is the same as the imported oak. Branches, domestic sellers collectively referred to them as oak, its performance, material, texture and the real oak (imported oak) is a grade, the price is much lower.
Therefore, fans of furniture remind you that you should find out where you want to buy oak furniture. Another, the more solid wood used, the higher the price of furniture. This is why many rubber wood furniture on the market is more expensive than oak furniture.
Further reading : Oak
Misunderstanding 3: Rubber wood hardness, material, texture, performance is poor, processing is easy to deform.
Positive solution: Compared with the famous precious woods such as green nan, citron, huangboluo, 椴森, 柳桉, and lamming, the physical and mechanical properties are not inferior, and the oaks with similar colors and textures are similar. Like other wood materials, it is called lignocellulosic material. From the following important performance data, the density of rubber wood is not much lower than that of oak, but the difference is very small: the domestic dry weight of rubber wood is 0.61kg/cm3, and the imported rubber wood can reach 0.65kg/cm3; The air-dry density of oak is 0.66~0.77kg/cm3, both of which belong to deciduous wood (ie hardwood), the hardness of rubber wood end face is 5492N, the hardness of oak end face is 6510~10000N, the flexural strength of rubber wood is 91.8MPa, oak The bending strength is 88.1 to 118 MPa.
The flexural strength of rubber wood is slightly lower than that of oak. According to the classification of physical and mechanical indicators, it belongs to Class III, so rubber wood is less likely to bend and deform than oak. The higher the hardness, the more easily the wood is cracked. The oak texture is hard and the moisture is more difficult to remove. The furniture made without water removal may begin to deform or shrink and crack after a year and a half. The hardness of rubber wood is much different than that of oak, so oak is more likely to crack than rubber wood.
Rubber wood furniture
Misunderstanding 3: Rubber wood contains a lot of sugar and is not easy to remove, not wearable, easy to change color, decay and insects.
Positive solution: In the past, due to the particularity of rubber trees, the rubber wood that was harvested quickly became discolored, moldy and rotten. However, with the advancement of the furniture manufacturing process, the rubber wood used to make the furniture has solved the above problems, and effectively retains and highlights the excellent characteristics of the rubber wood.
The main process of rubber wood is high-temperature and high-pressure cooking. The sugar, starch and residual glue in the wood are extracted, and preservatives are added for chemical treatment. Steam drying allows the rubber wood to reach the moisture content required to make the furniture while killing the bacteria in the wood. The treated rubber wood does not change color, mold, decay and insects, and the water content is basically below 12 degrees. At this time, the surface of the wood is lustrous, the color is uniform, there is no special smell and taste, the texture is fine, the structure is fine to medium, and the decorative effect is similar to that of ash, eucalyptus and oak. Therefore, we do not have to worry that the furniture made of rubber wood is easy to contain sugar and is difficult to remove, and it is easy to change color, decay and insects.
Misunderstanding 4: Rubber wood is rubber juice, and rubber juice is harmful to human body. Furniture made of rubber wood is easy to cause skin allergies.
Positive solution: Natural rubber is widely used in the fields of medicine and health and daily life, such as blood vessels and baby pacifiers. The main component of natural rubber is polyisoprene, which is contained in an amount of more than 90%. In addition, it contains a small amount of protein, fat and acid, sugar and ash. From these products closely related to human health, we can see that the rubber juice does not cause damage to human health after being treated, and the rubber wood is basically free of chemical components after being processed.
Because rubber wood has many similar physical and chemical properties and decorative effects of high-grade natural wood, rubber wood has become more and more widely used. It has been treated as high-grade wood in the furniture industry, and it is regarded as a high-grade new board in the wood-based panel. It is regarded as elegant decorative material. From the application history, rubber wood is a sawn timber that is processed after the rubber tree is not produced. In the late 1970s, the process equipment and technology for the prevention of rubber wood pests and fungi were developed, and firstly commercialized in large quantities in Malaysia. After being treated with anti-corrosion treatment and drying, the sheet material is optimistic by the merchants who pay attention to the decorative effect of wood structure in Japan because of its light color, beautiful texture, fine structure and good processing performance, and has been introduced into Japanese furniture manufacturing and residential decoration in large quantities.
Most of the rubber wood used by some domestic furniture companies are imported from abroad. After strict inspection and quarantine at the customs, the quality of safety and hygiene is guaranteed. Consumers can buy high-quality rubber wood furniture produced by these enterprises. use. At this point we can see that the furniture made of rubber wood is easy to cause skin allergies, and those who are allergic to the body are unbiased.
From the above, it can be seen that rubber wood is not as far worse than some merchants, and it is better in some aspects than some domestic oaks that are not very good. Therefore, rubber should not be blindly rejected. Wood, you can't blindly worship oak furniture.
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