Talking about the identification of rosewood

With the deepening of reform and opening up, the development of the national economy and the improvement of people’s living standards, mahogany furniture and mahogany ornaments, all kinds of high-quality modified timber are not only the luxurious furnishings and decoration of high-end hotels and office buildings, but also have entered the ordinary people. The home is used as a boutique. This article, as a popularization of this knowledge, hopes to be helpful to everyone.
Redwood identification
1 The origin of the name of mahogany Throughout the history of the development of Chinese furniture, Ming and Qing furniture occupies a very important position in the history of furniture in China and the world due to its special condiments, reasonable structure, exquisite craftsmanship, and fluent style. Ming and Qing palace furniture, traditional timber species for the red sandalwood and pear. In the Qing Dynasty, both the lack of Chinese and Koreans were replaced by acid twigs. The rosewood evolved from acid violet. It resembles red sandalwood. The heartwood is purple-red and has purple stripes. Fresh wood or water is wet with acidity. It is commonly known as mahogany in Jiangsu and Zhejiang. Subsequently, where the use of red sandalwood, rosewood, rosewood, ebony, chicken wing wood as raw materials, hardwood furniture made with the traditional Ming and Qing Dynasties called mahogany furniture, manufacturers workshops and manufacturers said mahogany furniture factory and mahogany carving factory, the above-mentioned wood collectively known as mahogany The name of mahogany is widely circulated in the country.
Therefore, mahogany is not the name of a species of tree in taxonomy, but is a name given to a group of specific tree species used to make mahogany furniture or carvings. Different times and different regions have different connotations. According to the "Redwood Name" national standard, mahogany includes rosewood, rosewood, black rosewood, red rosewood, ebony, striped ebony, chicken wing wood, incense purple wood (controversial), and each class has its own classification according to the classification of trees. Representative tree species of genus, genus, and tree, because the wood of different tree species has different organization and structure, and can be scientifically identified and distinguished under the microscope through wood slicing.
2 Recognition of Rose Woods
2.1 Rosewood Red sandalwood is a generic name for a type of tree that is particularly hard and heavy in the genus Leguminosae. It is the highest grade used in Redwood. Rosewood must be the heartwood of Pterostilus species, with a reddish-purple color, which turns dark purple for a long time; when the moisture content is 12%, the wood air dry density is greater than 1g/cm3; the average chord diameter of the tube hole is less than 160μm. It includes rosewood and sandalwood.
2.2 Pear Blossom Pear is a collective name for the above-average tree species of Leguminosae. The air-dry density of wood is more than 76g/cm3, which is higher than that of red sandalwood and acid branch, and the color of red-purple is more uniform. The average chord diameter of tube hole is larger than 200μm. It belongs to the same species as the rosewood, and the wood has a special fragrance. Generally, pears produced in Southeast Asia are superior to those produced in Africa in terms of material and density. It includes rosewood, Vietnam Cambodian rosewood, Ukrainian rosewood, and discolored rosewood.
2.3 The rosewood is a narrow redwood, which can be divided into red rosewood and black rosewood. The price of rosewood in rosewood is lower than that of rosewood and is better than that of rosewood. Black rosewood in the rosewood is better than red rosewood. In the classification of trees, rosewood is a dark-colored heartwood in the genus Dalbergia, which is collectively referred to as a hard and heavy tree species.
Conditions for the definition of rosewood in the mahogany name criteria: tree species with dark heartwood in the genus Dalbergia; air-dry density greater than 0.85 g/cm3; average chord diameter of tube holes less than 200 μm for red wood, black twigs less than 250 μm. Twig includes black rosewood, black-red rosewood, black rosewood, and hardwood. Red rosewood, red rosewood, Barry Dalbergia, Saizhou Dalbergia, Dalbergia, Dalbergia, Dalbergia, Dalbergia, Central American Dalbergia, Dalbergia austral, Dalbergia.
2.4 Ebony Ebony is divided into ebony and striped ebony. The former heartwood is pure black, brittle, and bright, mainly used to make small pieces of art carving products. Striped ebony heartwood black or suave brown, often with black stripes, the ancient name of tea Ukraine, handed down ebony furniture often made of tea Ukraine. Ebony is a collective name for a class of tree species with black heartwood in the genus Persimmon. The dry density of ebony is 0.85-1.0 g/cm3, and the average diameter of the tube hole is not more than 150 μm. In addition to ebony itself, it also includes thick ebony, hairy ebony, and ebony ebony. In addition to the striped ebony, Sulawesi ebony and Philippine ebony are included.
2.5 Chicken wing wood Chicken wing wood is a collective name for timber whose heartwood has black or sorrel color and whose surface has the same shade and is similar to chicken wing pattern. In the taxonomy, the chicken wing wood includes trees of the dark-colored heartwood of the genus Cryptocaryon and the genus Tienia. Redwood standard defines the conditions for chicken wing wood: the tree species with dark heartwood in the genus Tienia and Cryptophora, the wood air dry density is more than 0.8g/cm3, and the average diameter of the tube hole is less than 200μm. In addition to its own chicken wing wood, it also includes African cliff bean, white flower cliff wood, iron knife wood. Iron knife wood is produced in Southeast Asia and southern China. Yaba bean is produced in Southeast Asia and Africa. The density, structure and pattern of wood produced in Southeast Asia are finer and the material is superior to that produced in Africa.
3 Identification methods At present, China's mahogany market is relatively confusing, shoddy, fishy and product quality complaints have occurred. Twisting red sandalwood with ant wood in South America, using counterfeit rosewood with woods such as Porog, Muddy Bean, Mengris, Red Heart Paint, Latex, Iron Pigeon, Slope, and Strand. The rosewood is used as a rosewood, and the African rosewood is sold as a rose in Southeast Asia. The Africa is open to the outside world and the chicken wings in Southeast Asia are shoddy. To this end, consumers should enhance their awareness of self-protection and guard against fake mahogany, and technical supervision departments must increase enforcement efforts.

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Chip


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Initial luminous flux

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Color temperature

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Power factor

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