[China Eco-Plate Network] The red rosewood family has many members, including Sapphire Dalbergia, D. serrata, Dwarf Dalbergia, Barry Dalbergia, Saizhou Dalbergia, F. chinensis, and Central American Dalbergia. How to identify different types of red rosewood ? What are the wood characteristics ?
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  Red rosewood is the mainstream material for domestic mahogany furniture production. It is sought after by mahogany furniture lovers due to its good wood quality, large stock and reasonable price. However, since the red rosewoods cover a large variety of woods, the appearance of red rosewood woods of different tree species is relatively close, and there is no small difference in price, thus, the purchase of red rosewood furniture for consumers brings A lot of confusion. At the same time, from the point of view of existing scientific identification methods, it is difficult to identify specific tree species by wood samples only when additional leaf specimens are not provided. In other words, it is difficult to determine a red rosewood by scientific experiment. It depends on the species of Dalbergia, Dalbergia or other red rosewood. Therefore, for consumers, mastering the basic identification method has become a good homework to buy red rosewood furniture.
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   For class defining red rosewood, "wood" national standard specifies several necessary conditions: Dalbergia (Dalbergia) species; Fine to very fine wood structure, an average pore diameter of not greater than the chord 200 μ m; Wood moisture At a rate of 12% , the air dry density is greater than 0.85 g/cm3 ; the heartwood of the wood is reddish brown to purple.
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   At the same time, it is also described in the red rosewood tree species and its wood characteristics: the growth wheel type is a loose hole material to a semi-diffuse hole material, the heart material is reddish brown or purple reddish brown, and the axial thin wall tissue is concentric layer thin line or Narrow band shape, fine structure, air dry density is very large, wave marks are visible or obvious, acid aroma or very weak, the main producing area is tropical. And it is indicated in the remarks that the majority of the red rosewood sinks in the water, and the stripe pattern is often formed on the radial cut surface due to the texture interlacing.
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   Through this description, we have a simple understanding of the red rosewood, and at the same time, through the horizontal comparison of the seven red rosewood, we can conclude that:
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   First of all, the red rosewood must be a species of Dalbergia. Dalbergia is one of the five genera and eight species in the national standard of "Redwood". The other four are P. genus, genus, genus, and persimmon, while Dalbergia contains three Wood, fragrant wood, black rosewood, and the main character of this article are red rosewood. Among the Dalbergia genus, the most prestigious is the fragrant rosewood in the fragrant wood, which is commonly known as Hainan huanghuali, and the red rosewood is the most widely used.
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   Secondly, the use of red rosewood class point of view, the most used and most popular red wood timber is Cochin rosewood, followed by slightly concave rosewood, Albright, Barry Dalbergia (in alphabetical has), while the state tournament rosewood, rosewood and Central America fluff three rosewood species in the country rarely use.
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   Third, from the perspective of timber distribution, Laos, Myanmar, Cambodia, South America and Mexico in Southeast Asia are the main producing areas of red rosewood, except for Dalbergia, A. serrata and Bare Dalbergia, which are produced in Southeast Asia. The rest are produced in South America and Mexico.
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   Fourth, from the history of China's hardwood furniture materials, Sian rosewood and Barry Dalbergia have the longest tradition of use, followed by A. sinensis, and finally the dimpled Dalbergia produced in the Americas.
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   Fifth, from the color of wood, due to the difference in origin, the new cuts of Dalbergia sylvestris, D. serrata and Bare Dalbergia produced in Southeast Asia are mostly purple-red brown or red-brown, and the dimpled Dalbergia from South America and Mexico. In addition to the reddish-brown color of red rosewood wood, the new cut surface of Saizhou Dalbergia, F. chinensis, and Central American Dalbergia will also appear in golden, orange, etc., or with orange-red-brown stripes.
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   Finally, from the air dry density under the same conditions, the highest air-dry density is the Saiguo Dalbergia, which is 1.20g/cm3 . The Dalbergia sinensis is larger than the Dalbergia sinensis. The Dwarf Dalbergia is usually larger than the D.
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   As common tree species in the red rosewood, the following discussion will be made separately for S. chinensis, Dwarf Dalbergia, D. serrata and Bare Dalbergia. Here, we will briefly summarize the remaining three.
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