The use of important tree species in the northeast forest area and the types of materials suitable for furniture production

 

Larch : The trunk of the larch is straight and has few knots. The heartwood and the sapwood are significantly different. The material is tough, the structure is slightly thick, and the texture is straight. It is a wood with strong corrosion resistance and mechanical properties in the pine family. It is suitable for construction and electricity. Rods, bridges, boats, sleepers, eucalyptus, pillars, furniture, utensils and wood fiber industrial materials.

Birch : Birch wood is light brown to reddish brown, used as flooring, furniture, pulp, interior decoration materials, vehicle and ship equipment, plywood, etc. Thin, impenetrable bark for roofing, canoeing and shoemaking for North American Indians and early settlers. Birch tar is obtained by dry distillation of its bark. Birch beer is made from birch sap. People living in the forest will ignite with the bark of wet red birch and paper birch.

Poplar : a fast-growing and high-yielding tree species, which has the characteristics of wide adaptability, long annual growth and fast production speed. It is widely planted in the south and north of China, and poplar resources are abundant. Due to the loose structure and relatively poor material structure of poplar wood, its application range is greatly restricted. At present, it is mainly used as solid wood composite floor core board or bottom plate, short-cycle industrial raw material or road and river greening tree species.

Ash : The annual rings are obvious but uneven, the wood structure is thick, the texture is straight, the pattern is beautiful, shiny, and the hardness is large. The ash has the characteristics of elasticity, toughness, wear resistance and moisture resistance. However, it is difficult to dry and warp easily. Good processing performance, but should prevent tearing. Smooth cut surface, paint, good adhesion performance. The ash has good processing performance and can be fixed with nails, screws and glue. It can be dyed and polished to obtain a good surface. Suitable for dry weather, with minimal aging and small changes in performance. It is a good floor and furniture material. It can be used as a precious wood species such as white yuan, oak, walnut, etc., and its use value is extremely high.

Spruce : The wood is straight, easy to cut, and has no hidden defects. It can be used as poles, sleepers, buildings and bridges; it can also be used to make musical instruments, gliders, etc., and is the raw material for papermaking. The oil content of the spruce needles is about 0.1 to 0.5%, and the aromatic oil can be extracted. The bark contains tannins 6.9 to 21.4% extractable.

Elm : The material is hard, oily, wear-resistant, corrosion-resistant, and the cell interstitial structure is uniform and dense, but the wood is mild, so it is not easy to crack, deform, fine wood grain, easy to process, and strong toughness. It has a wide range of applications and can be used to make decorative materials such as wood, blockboard and wooden crafts. The eucalyptus is mechanically well-processed and easy to process with hand tools, so it is a superior engraving material. Wood sawing, spinning, drilling, boring, nailing, gluing, painting, coloring, etc. are good. The neck of the trunk is straight and straight, and the yield is high. The material is light in color, large in voids, and easy to dye or bleach. Low shrinkage, no deformation after drying, no cracking, high hardness, can be used for furniture in the north.

Shasong : Also known as sand fir, the tree is majestic and correct. It should be planted as a shade tree, or it can be planted or planted. If you embellish the mountain stone and the foliage shrub under the old tree, you will have a beautiful view of the posture and color. In the northeastern mountains, Yanshan and plateau scenic areas, urban gardens can be applied.

There are three types of wood suitable for furniture : one is precious wood, there are mahogany, walnut, oak, maple, teak, mahogany, ebony, rosewood, wenge, etc.; the second is hard wood, mainly composed of koji Willow, eucalyptus, birch, color wood, eucalyptus, palsy, eucalyptus, huangboluo, etc.; third is soft wood, pine, eucalyptus, fir and so on.

Wood can be processed into versatile, sheet and thin wood, and can also be made of artificial boards such as plywood, particle board, fiberboard, fine wood board, hollow board. Traditional furniture is made of solid wood, and modern furniture is often produced by combining artificial boards with metal.

Among them, the eucalyptus, birch, eucalyptus, ash, eucalyptus, elm, pine, etc. grown in the northeast forest area are all suitable for making furniture. Elm (international oak), ash, eucalyptus, birch (including wood), eucalyptus, etc. are the best materials for the production of solid wood furniture. Foreign classical furniture, especially the 18th century neo-classical furniture, is mostly made of oak (ie, eucalyptus). Many of the traditional Chinese furniture, such as eucalyptus, eucalyptus, and birch (including wood). These materials provide a very important material resource for the production of high-grade solid wood furniture.

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