Rizhao Pine Tray Material Manufacturer Junsheng Wood Industry Pine Tray Material Factory

Description :

Junsheng Wood Industry Tray Material

　　1. The structural characteristics of Douglas fir

　　Huaqisong is renowned worldwide for its excellent strength to weight ratio. Its high specific gravity provides excellent nail holding and fixing force, making it suitable for making wooden frames used in residential, small commercial, multi story, and industrial buildings.

　　Among the soft wood tree species in North America, Douglas fir not only has a high elastic modulus, but also has excellent external bending fiber stress, tensile force along the grain, transverse shear force, transverse pressure, and longitudinal pressure. Because Douglas fir possesses these physical properties, as well as the durability and outstanding form stability of heartwood, many construction companies around the world use Douglas fir as a standard for evaluating all framing wood.

　　Huaqisong is famous for its structural performance and beautiful appearance. When designing structures that require large wooden beams, long spans, or specially shaped arches (such as churches, bridges, and sports arenas), Douglas fir is the most commonly used type of wood. In the construction of residential, commercial, public building structures, tower buildings, and water facilities, laminated beams made of Douglas fir are commonly used as horizontal load-bearing frames for roofs, floors, and pillars. When constructing industrial plants, warehouses, garages, and even building structures that require a beautiful appearance, glued laminated beams are also reliable building materials

　　2. Characteristics of appearance grade Douglas fir wood

　　The Douglas fir has a light rose color and beautiful straight texture, which darkens after being exposed to sunlight. The tough fibers of Douglas fir are not easy to cut or carve by hand, but a smooth cutting surface can be obtained by using sharp electric tools and machine tools. This type of wood can be processed into various products according to the grain shape, with a surface that is easy to paint and can maintain various dyes and varnishes.

　　3. Surface treatment of Douglas fir

　　Huaqisong can accept various types of dyeing treatments, including transparent coatings, transparent paints, varnishes, paints or waxes, as well as various colored and bright or soft colored paints. In order to achieve the desired surface treatment effect, the moisture content of the wood should be between 12% and 15%, or the closer it is to the normal humidity, the better. Outdoor building structures should be coated with a layer of primer first, as Douglas fir is a relatively dense heavy wood.

　　3. Multiple grades including defect free materials, processed materials, construction materials, and customized materials

　　The wide application of Douglas fir in construction and secondary processing industries is due to its excellent physical properties and numerous wood grades. All Douglas fir wood is processed, graded, and classified according to relevant domestic or foreign grading standards. According to the classification of Canadian grades, Douglas fir wood is divided into:

　　1) Defect free materials (without knots): Grade 2 or above defect free materials, Grade 3 defect free materials, and Grade 4 defect free materials.

　　2) Processing materials (further processed into defect free materials): Processing sheet metal, secondary processing sheet metal, first grade and above processing materials, wood wire strips A and B.

　　3) Building use: Lightweight frame material, lightweight structural frame material, structural shelves and panels.

　　4. Widely used structural materials

　　Flower flag pine has multiple uses and is a widely used structural material, favored by engineers and builders. It is particularly suitable for use in structural components and heavy timber structures, and is also widely used in wooden piles, railway sleepers, sawmills, warehouses, and countless other fields that focus on structural performance. As a hard and stable wood, Douglas fir can be used to construct wooden frames for both light and heavy buildings.

　　Due to its high strength and excellent bonding properties, Douglas fir is often used to make laminated beams in various structures, including indoor sports fields, swimming pools, churches, and supermarkets.

　　Douglas fir has a good appearance and is easy to process. It is very suitable for processing wooden pallets, wooden boxes, fumigated wooden pallets, export wooden boxes, wooden lines, cabinets, and other fine woodworking products. The hardness and strength of Douglas fir also increase its durability.

　　Douglas fir has high corrosion resistance and excellent structural performance, making it the main wood for making industrial storage tanks, large barrels, and other storage containers. Its stability and ease of processing also make it a material selection for manufacturing industrial components

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