Wood is a construction material used to build housing. The key components such as door and window frame. Shutters stairs step mother used to make furniture, indoor flooring. And other furniture.
Not classified as a type of organic matter. Not contain. The outer shell consists of a cell is dead.
1. SapWoodenness into the next shell. Are substances that are necessary for the survival of plants such as flour, sugar and protein, preventing mold and die easily like to eat.
2. HeartWooden section next to the sapWood
3. Heartedly central point would not have any elasticity.
Woodenness can be divided into three categories by holding out the bending strength of dried fruit. And natural durability of Woodenness species such as the criteria were.
1. HardWoodennesss strength higher than 1000 kilograms per square centimeter. Very robust than 6 years, Khiam Woodenness Wood Woodenness Ack Heuampoo Salao Wood Woodenness Woodenness Khegcyri Eeeyongaman red cedar Wood Woodenen nest Amacnroamong stone, Woodenness ebony Woodenness extracts Pradu Teng Tabun dark Woodenness treated with Wood Takhro Takhro Mai Dang Mai Kan Krao eggs.
2. HardWoods medium Strength 600 to 1000 kilograms per square centimeter has 6 years of durable Woodenness, including Woodenness Hiang Rnuฟgr Yung Wood Wood Wooden Amacnrแeg antimony tiger Wood Wood Wood Nonsi Tabak Ta Ecึ network as Wood mice. Wood Woodenness Takianthong Width.
3. SoftWooden strength less than 600 kilograms per square centimeter. Tolerance less than 2 years, teak Wood rubber Wood Inthanin red Phayom Paya Mai Mai Mai Mai Dmameong Tabun unexpected shift notch Wooden broom jute.
Timber sold within the country is divided into the type and size according to popular industry Lumber and other building across the following.
1. No cover larger and thicker 1 / 2 to 3 / 4 inch width 4 to 6 inches and 8 to 10 inches.
2. Woodennessen floor size of 1 inch thick.
3. Wooden Pages Size 1 1 / 2 to 2 inches and 2 1 / 2 to 3 inches wide and 12 inches 3,4,5,6,8,10.
4. Woodenness poles Size 4 x 4 inches thick, 5 x 5 inch and 6 x 6 inches.
5.. 5 slat size 1 x 1 inch thick.
6. Do not Bolt's size for 1 / 2 to 3 / 4 inches x 2 to 3 inches and 1 to 2 inches x 1 1 / 2 to 2 inches.
The length of Woodenness of all kinds into four types.
1. 2.00 to 2.50 meters.
2. 3.00 to 5.50 meters.
3. 6.00 to 7.50 meters.
4. 8.00 meters or more.
Durability of Wooden can be classified according to the environment of the place as follows.
1. Not in the shade of termites.
2. Outdoor Wood from sun and rain.
3. Not in the marsh From embryos of freshwater insects, worm them.
4. Wood in brackish water or salt water from shrimp, crab, worm bivalves some destruction to the housing.
Because they do not currently have a lower quality of shrinkage cracking or bending easier. Causing damage to buildings. Household Appliances Aamgsoi by over any need to improve the quality of the Wood to make a higher quality Wood. Which improves the color strength, shrinkage and swelling, and durability are a number of ways.
1. The Wooden pile Wood pile is not close to clear consecutive In addition to the Woodenness, then dry. To prevent Woodenness decay fungi that are very good. The sapWood of Woodenness or Wood that is not durable. While raw and processed Wooden pile close to each other just a couple of days. It will be the full mold. May cause damage to the Wood to fail over time.
2. Soak in water for a long time to make flour and sugar contained in the Wood to decay. When the fruit fly. Despite the sapWoodenness attached. Moth is not to interfere.
3. Baked or steamed. To make certain chemical compounds that absorb and emit a lot of water to disintegrate. Cause swelling and shrinkage of the Wood down.
4. Heat or dry By adding Wooden to bake in the oven. Which can quickly dry Wood does not prevent damage from shrinkage Of the dry air. Dry Woodenness will dry quickly or slowly depending on the moisture in the air. If the weather with low humidity. Woodenness is dry. If the plant is dried, moisture not more slowly.
5. Incompressible heat. The Wood volume was smaller and still images after compression and make more solid and durable.
6. The compressive plastic The material is compressed into a liquid plastic timber. Then make it a binding merger plastic. Become solid in the future. May do so by using a catalyst, chemical or radiation.
7. Heat is a liquid or compressed Ta Chung years soaking liquid into the Wood with high pressure. This is the most effective way. By bringing Woodenness into the room until the home closed tightly. The air in the Wood drying out and the room completely. Then released into solution. At the same time, it will increase the pressure of air in the pipe gives rise to the desired level. Leave it for a while, and then reduce the pressure down Office enamel and Woodenness are generally resistant than natural Wooden several times.
Reference to Wood
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