Introduction of wood types for solid wood furniture - rubber wood

Origin of rubber wood: Brazil, Malaysia, Thailand, etc.

Texture of rubber wood: The color is light yellow, the texture is beautiful, the wheel circle is a dark band, and there are few pipe holes. Thick wooden structure.

Rubberwood is a plant that produces rubber latex and is the backbone of the rubber tree, a subtropical tree species. When a tree grows old, its trunk can be used to make furniture. With the development of the furniture market, rubber wood is more and more widely used in furniture, flooring, wood core boards, etc.

Rubberwood also has some notable drawbacks. For example: poor durability. Rubber wood provides a rich nutrient base for the growth of fungi. If the anti-corrosion treatment is not carried out in time after felling, it will soon turn blue, moldy, and rotten, and the dry wood is easy to be eaten by insects; due to the short growth cycle, rubber wood wood Soft in nature and low in strength, the furniture made must be round and thicker in shape

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The processing process of a piece of rubber wood from felling to finished furniture can be divided into 4 stages:

  1. Log cutting. The height of rubberwood trees is generally 10 to 20 meters, the trunk is mainly truncated to 2 meters, and the diameter is mostly between 15 and 40 centimeters. Trees with a diameter of more than 8 cm can be used as logs. If the logs of rubber wood are transported to the lumber factory on the same day after felling, lumber production and anti-corrosion will generally be completed in more than 3 days. Therefore, if the process is smooth, rubberwood can avoid the use of anti-bluestaining agents.

  2. Material. Rubberwood logs with a diameter of more than 15 cm are called natural boards, which are used to produce trapezoidal whole-edge sawn timber, and rubberwood logs with small diameters are processed into gauge logs for the production of glulam (panels or finger joints), The total yield can reach 60%. Rubber wood is easy to sawn, but the residual emulsion in rubber wood often blocks the saw teeth, so the parameters of the saw teeth need to be adjusted appropriately.

  3. Anticorrosion. Fresh rubber wood must be treated with anti-corrosion because of its rich nutrients, otherwise it may cause the wood to degrade. The anti-corrosion of rubber wood generally adopts vacuum pressure, and it is commonly treated with boric acid or borax in China. In order to improve the color of preservative treated rubberwood lumber, some manufacturers use hydrogen peroxide to bleach the wood, but doing so will make the surface of the lumber lose the natural luster of the wood.

  4. Dry. At present, artificial kiln drying is mostly used, and the drying equipment is either heated by steam or indirectly heated by furnace gas, which can reduce the moisture content of raw materials to 8% to 12%. In some tropical regions, sunlight can also be used for natural drying. Sunlight can decompose the reddish-brown defects on the surface of rubber wood during the production process, making the board more white and uniform, but natural drying takes a long time, and there are many uncontrollable factors.

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It should be noted that rubber wood is not oak, these are two different woods! The next issue will introduce you to what is oak.