Asia is located in the northeastern part of the Eastern Hemisphere. It borders the Pacific Ocean, the Indian Ocean and the Sea of ​​Japan on the east, north, and south sides, and the Linhai Sea and the Black Sea to the west. With a total area of ​​44 million square kilometers, it accounts for 29.4% of the world's land area and is the world's largest continent. There are 49 countries and regions in Asia, with a total forest area of ​​643 square kilometers and a total forest coverage rate of 14.6%. Among them, there are important economic tree species such as teak, rosewood, red sandalwood and ebony. The Taiwan timber industry has risen from Taiwan's Guangfu counter-board industry. A large number of logs imported from the Philippines, Malaysia, and Indonesia were used for plywood manufacturing and processing. After that, the wood processing industry followed suit. The imported timber species expanded from Nanyang wood to the entire Asian tree species. The author engaged in timber import business for more than a year, and 35 kinds of materials were sorted out. Asia's important economic tree species, published in the city, is still taught in the wood industry.
1. Teak teak scientific name: Tectona Grandis
Branch name: Verbenaceae Verbenaaceae common name: Teak (Myanmar, Indonesia, Thailand),
Jati (Indonesia), Kyum (Myanmar),
Mai Sak (Thailand).
distributed:
The origins are in Myanmar, Thailand, India, Vietnam, and Laos. The early Dutch people's afforestation work in Indonesia has been quite successful, especially in Java. There are quite a few countries in the world that implement teak afforestation, but only Sri Lanka is more effective. Nigeria, Trinidad, Indonesia, Myanmar and Indonesia are currently the most important teak exporters. The export of teak in other countries is relatively sporadic. The logs exported are generally 300-500mm in diameter and 9 meters in length.
Standing wood:
Large trees, the height of the tree is 35 to 45 meters, the diameter of the breast is 0.9 to 2.5 meters, and the body is straight, but the branches are high, and the actual height of the branches is not high. The cross section of the log is irregular and has many grooves. In the original forest, teak rarely grows into pure forest, but often symbiotic with other tree species, forming a confusing forest.
Material:
Ring hole material to half ring hole material, the average weight value of wood is 0.66g/cm3, the sapwood is yellowish white, and the heartwood is bright golden brown. If the wood is set for a long time, the color of the heartwood will be deepened, and sometimes the surface will show dark and dark spots. The wood is straight, but some defective logs will have interlaced wood. The wood muscle is slightly thicker, and this is due to the wood structure of the ring hole material, and the resin contained in the wood emits an old-like leather-like odor. In general, the teak produced in Burma has a single color tone, and a narrow, dark-colored thin-lined annual ring is clearly distributed from the cut surface. The teak quality in other areas is more mixed.
Kiln dry:
Dry shrinkage, radial 2.2%, chord direction 4.0%, there are few disadvantages when the kiln is dry. In the origin of teak, before the harvesting of the standing timber, the whole plant is stripped and peeled, and then the raw materials are cut and harvested. The raw materials are naturally dried and dried in the kiln, and the logs are harvested and produced. Drying, the kiln is prone to cracking when it is dry, or even cracking, so be careful. Teak tones will fade when the kiln is dried, but the original color will slowly recover after leaving the kiln for a while. Processability:
The sawing and planing are easy, the turning performance is very good, the solid wood steam bending is quite excellent, and the sand spinning, gluing and coating properties are good.
use:
Teak is the most famous broad-leaved tree species in the world. Its durability, mechanical strength and dimensional stability are excellent. It is easy to process. It is a light-colored series of woods, which is easy to paint and color. Especially in shipbuilding, it was popular in the 19th century. In the modern yacht manufacturing, the interior decoration materials are generally designated teak, and the shoes are also required to be painted and secured. At present, Taiwan's wood processing industry mainly uses teak for flat-cut veneer, non-woven fabric, solid wood flooring, teak furniture, solid wood doors, lines, and interior decoration materials.
2. Amboyna wax wood scientific name: Pterocarpus indicus
Family name: Leguminosae legumes: Narra (Philippines), Solomons Padauk, Warara, Linggi, Liki, Rosewood,
Angsana, new Guinea Rosewood, Pradoo, Sena, Oele,
Sonokembang, Sandana.
distributed:
Widely distributed in the southern, southeast and south ocean regions of the Asian continent, the Pacific islands.
Standing wood:
Large trees, the canopy can be up to 40 meters, the breast diameter is often more than 1 meter, the roots are developed, and the dry body is often bent and not straight.
Material:
Semi-annular hole material to loose hole material, the edge and heart material are distinctly different. The sapwood is light white to light yellow, wide, and the heartwood is mostly light yellow to golden or brownish red. It has wood fiber, thin-walled structure and staggered wood fiber. The resulting deep and thin stripes. The woody straight couples are interlaced into wavy lines, the structure is even, the wood is lustrous, the new cut mask attracts the aroma, because the wood touches the greasy feeling, the local Chinese in the Philippines call it “wa woodâ€, the average weight of the wood is 0.61g/ Cm3.
Kiln dry:
Dry shrinkage, radial 1.4%, chord direction 2.2%, easy end cracking, kiln dry speed should be slow.
Processability:
The sawing and planing process is easy, the wood fiber is linearly distributed, easy to cut or rotary cutting, the nail holding power is strong, the sand rotation and the coating property are good, and the solid wood steam bending property is excellent.
use:
Mahogany furniture, flat cut veneer, solid wood flooring, solid bead cabinets, fine wood.
3. Cinnamon Wood Astragalus scientific name: Uarious species of Cinnamomum
Family name: Lauraceae family name: Medang (Indonesia, Malaysia)
Ki-Searah (Myanmar, India)
Medang Kemang (Malaysia)
Medang leash (Indonesia)
Medang rawali (Borneo)
Keplah wangi (Sarawak)
Standing wood:
Large trees, the height of the tree is 18 to 30 meters, the diameter of the breast is 60 to 120 centimeters, the height of the branches is not high, and it is divided at about 7 meters.
Material:
Loose hole material, sapwood light yellowish brown to taupe, heartwood from brown to dark brown with red stripes between them, wood has strong luster, new cut surface of raw material exudes strong camphor aroma, wood slanted or staggered, wood muscles moderate but Uniform, the specific gravity of the wood is 0.63 g/cm3.
Kiln dry:
Dry shrinkage, radial direction 1.1%, chord direction 2.2%, wood less warping cracking, but easy end cracking, should slow down the kiln dry speed processing:
The sawing and planing process is easy. When the staggered wood is used, the cutting angle should be reduced by 20° or less. When the feeding speed is slowed down, the smooth planing surface can be obtained, the turning property is good, the nail holding power is strong, the sand rotation is smooth, and the coating property is generally .
use:
Idol carving materials, eucalyptus furniture, wooden molds, shipbuilding materials, and tree-retained parts can be used as flat cut veneers.
1. Teak teak scientific name: Tectona Grandis
Branch name: Verbenaceae Verbenaaceae common name: Teak (Myanmar, Indonesia, Thailand),
Jati (Indonesia), Kyum (Myanmar),
Mai Sak (Thailand).
distributed:
The origins are in Myanmar, Thailand, India, Vietnam, and Laos. The early Dutch people's afforestation work in Indonesia has been quite successful, especially in Java. There are quite a few countries in the world that implement teak afforestation, but only Sri Lanka is more effective. Nigeria, Trinidad, Indonesia, Myanmar and Indonesia are currently the most important teak exporters. The export of teak in other countries is relatively sporadic. The logs exported are generally 300-500mm in diameter and 9 meters in length.
Standing wood:
Large trees, the height of the tree is 35 to 45 meters, the diameter of the breast is 0.9 to 2.5 meters, and the body is straight, but the branches are high, and the actual height of the branches is not high. The cross section of the log is irregular and has many grooves. In the original forest, teak rarely grows into pure forest, but often symbiotic with other tree species, forming a confusing forest.
Material:
Ring hole material to half ring hole material, the average weight value of wood is 0.66g/cm3, the sapwood is yellowish white, and the heartwood is bright golden brown. If the wood is set for a long time, the color of the heartwood will be deepened, and sometimes the surface will show dark and dark spots. The wood is straight, but some defective logs will have interlaced wood. The wood muscle is slightly thicker, and this is due to the wood structure of the ring hole material, and the resin contained in the wood emits an old-like leather-like odor. In general, the teak produced in Burma has a single color tone, and a narrow, dark-colored thin-lined annual ring is clearly distributed from the cut surface. The teak quality in other areas is more mixed.
Kiln dry:
Dry shrinkage, radial 2.2%, chord direction 4.0%, there are few disadvantages when the kiln is dry. In the origin of teak, before the harvesting of the standing timber, the whole plant is stripped and peeled, and then the raw materials are cut and harvested. The raw materials are naturally dried and dried in the kiln, and the logs are harvested and produced. Drying, the kiln is prone to cracking when it is dry, or even cracking, so be careful. Teak tones will fade when the kiln is dried, but the original color will slowly recover after leaving the kiln for a while. Processability:
The sawing and planing are easy, the turning performance is very good, the solid wood steam bending is quite excellent, and the sand spinning, gluing and coating properties are good.
use:
Teak is the most famous broad-leaved tree species in the world. Its durability, mechanical strength and dimensional stability are excellent. It is easy to process. It is a light-colored series of woods, which is easy to paint and color. Especially in shipbuilding, it was popular in the 19th century. In the modern yacht manufacturing, the interior decoration materials are generally designated teak, and the shoes are also required to be painted and secured. At present, Taiwan's wood processing industry mainly uses teak for flat-cut veneer, non-woven fabric, solid wood flooring, teak furniture, solid wood doors, lines, and interior decoration materials.
2. Amboyna wax wood scientific name: Pterocarpus indicus
Family name: Leguminosae legumes: Narra (Philippines), Solomons Padauk, Warara, Linggi, Liki, Rosewood,
Angsana, new Guinea Rosewood, Pradoo, Sena, Oele,
Sonokembang, Sandana.
distributed:
Widely distributed in the southern, southeast and south ocean regions of the Asian continent, the Pacific islands.
Standing wood:
Large trees, the canopy can be up to 40 meters, the breast diameter is often more than 1 meter, the roots are developed, and the dry body is often bent and not straight.
Material:
Semi-annular hole material to loose hole material, the edge and heart material are distinctly different. The sapwood is light white to light yellow, wide, and the heartwood is mostly light yellow to golden or brownish red. It has wood fiber, thin-walled structure and staggered wood fiber. The resulting deep and thin stripes. The woody straight couples are interlaced into wavy lines, the structure is even, the wood is lustrous, the new cut mask attracts the aroma, because the wood touches the greasy feeling, the local Chinese in the Philippines call it “wa woodâ€, the average weight of the wood is 0.61g/ Cm3.
Kiln dry:
Dry shrinkage, radial 1.4%, chord direction 2.2%, easy end cracking, kiln dry speed should be slow.
Processability:
The sawing and planing process is easy, the wood fiber is linearly distributed, easy to cut or rotary cutting, the nail holding power is strong, the sand rotation and the coating property are good, and the solid wood steam bending property is excellent.
use:
Mahogany furniture, flat cut veneer, solid wood flooring, solid bead cabinets, fine wood.
3. Cinnamon Wood Astragalus scientific name: Uarious species of Cinnamomum
Family name: Lauraceae family name: Medang (Indonesia, Malaysia)
Ki-Searah (Myanmar, India)
Medang Kemang (Malaysia)
Medang leash (Indonesia)
Medang rawali (Borneo)
Keplah wangi (Sarawak)
Standing wood:
Large trees, the height of the tree is 18 to 30 meters, the diameter of the breast is 60 to 120 centimeters, the height of the branches is not high, and it is divided at about 7 meters.
Material:
Loose hole material, sapwood light yellowish brown to taupe, heartwood from brown to dark brown with red stripes between them, wood has strong luster, new cut surface of raw material exudes strong camphor aroma, wood slanted or staggered, wood muscles moderate but Uniform, the specific gravity of the wood is 0.63 g/cm3.
Kiln dry:
Dry shrinkage, radial direction 1.1%, chord direction 2.2%, wood less warping cracking, but easy end cracking, should slow down the kiln dry speed processing:
The sawing and planing process is easy. When the staggered wood is used, the cutting angle should be reduced by 20° or less. When the feeding speed is slowed down, the smooth planing surface can be obtained, the turning property is good, the nail holding power is strong, the sand rotation is smooth, and the coating property is generally .
use:
Idol carving materials, eucalyptus furniture, wooden molds, shipbuilding materials, and tree-retained parts can be used as flat cut veneers.
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