Wood group classification table according to the latest Vietnamese standards

Job Wood group classification plays an important role in the process of managing timber exploitation, ensuring their appropriate use and preventing illegal forest exploitation. To protect the nation's precious forest resources and maintain balance in the ecosystem.

Furthermore, this division also helps businesses, investors and users to more easily understand each type of wood. This helps them find the most suitable product for their needs and purposes. This not only helps create clarity in the wood market, but also gives consumers the ability to differentiate between types of wood and price levels commensurate with the true quality of the product, thereby minimizing price increases. not correct.

Wood density is an important characteristic and is often used in woodworking Wood group classification. Grading standards based on wood density must be measured when the wood is available humidity below 15%. Specifically according to the results below:

• Really heavy wood: From 0.95 to 1.40 kg/m3
• Heavy wood: From 0.80 to 0.95 kg/m3
• Medium heavy wood: From 0.65 to 0.80 kg/m3
• Light wood: From 0.50 to 0.65 kg/m3
• Real light wood: From 0.20 to 0.50 kg/m3
• Super light wood: From 0.04 to 0.20 kg/m3

Thereby, specific wood groups are divided into the following 8 types:

• Group I: This is a group of wood with heavy and very heavy density. Including precious woods with beautiful color, grain, strong fragrance, longevity and high economic value.
• Group II: As a group of woods with heavy and heavy density, they have high hardness and water resistance.
• Group III: A group of wood with heavy density (but lighter and softer than groups I and II), good strength, load-bearing and toughness.
• Group IV: It is a group of wood with medium and heavy density, relatively durable, smooth grain, and easy to process.
• Group V: A group of wood with medium density, commonly used in the furniture industry.
• Group VI: This is a group of wood with light and medium density. They have poor bearing capacity and are susceptible to termites, but are very easy to process.
• Group VII: It is a group of wood with light density, poor bearing capacity, and moderate termite resistance.
• Group VIII: This is a group of wood with light density, very poor bearing capacity, and susceptible to termites.

Based on Decision No. 2198-CNR dated November 26, 11 of the Ministry of Forestry (now the Ministry of Agriculture and Rural Development) on building a temporary classification table of wood types for uniform use nationwide, was revised and supplemented on May 1977, 10.

Group I

Group I wood lines

Application of group I wood types

These are good and rare types of wood, most of them are on the list of prohibited exploitation and are protected. Group I wood is often used in construction for durable projects or used for high-end interior decoration, making fine arts, etc.

Group II

Group II wood lines

Application of group II wood types

Surely you have heard of the phrase "Ding - Lim - Sen - Tau", this is a quite common phrase and they all belong to group II natural wood types. Furniture products such as tables, chairs, counters, beds, cabinets, doors... made from these types of wood often have outstanding quality. Ancient communal houses, ancient pagodas, and ancient houses that are hundreds of years old, using columns, rafters, mortises, and doors made from Dinh - Lim - Sen - Tau wood still maintain their stability and are less susceptible to termite attacks. .

Group III

Group III wood lines

Application of group III wood types

Group III wood is quite light and soft but has very good strength and toughness. Therefore, they are often used for floors, ceilings, walls, etc.

Group IV

Group IV wood lines

Application of group IV wood types

Group IV wood has many useful applications in life, for example:

• Washed wood: Used to make beds, wardrobes, dressing tables, etc.
• Jackfruit wood: Used as statues, worship objects, fine art objects, etc.
• Fat wood: Used as chopsticks, ice cream sticks, etc.
• Yellow heart wood: used as sarcophagi, chests, spiritual items, etc.

Group V

Wood lines of group V

Application of wood types of group V

This type of wood is suitable for projects that do not require high strength, making boards, molds, etc. Some typical applications include making tables, cabinets, and kitchen shelves at affordable prices.

Group VI

Wood lines of group VI

Application of wood types of group VI

This group of wood is considered popular and does not have too many restrictions on exploitation management. Many types of wood in this group are often planted forests, so the supply of group VI wood is very diverse. This leads to often lower prices. Wood in this group is often widely used in the construction industry, popular furniture production and is also used in the production of particleboard and veneer for the wood industry.

Group VII

Group VII wood lines

Application of wood types of group VII

Most of Group VII wood is wood from planted forests, with abundant raw materials and reasonable prices. They are widely used in furniture making, construction, handicraft production, as well as in the peeling of veneer and chipboard production.

Group VIII

Group VIII wood lines

Application of group VIII wood types

This is a fairly diverse source of wood, including some types of wood from the forest, with a fast growth rate. Group VIII wood is often grown in many local areas and is commonly used to produce paper, pallets, veneer, as well as for manufacturing. Wood Industry and make cheap furniture products.

Below is a list of natural wood types that can be exported or used to produce products for the export market. For more details and specific regulations, you can refer to the Decision "On the export of wood and forest products" No. 664-TTg, signed by Prime Minister Phan Van Khai on January 18. October 10 and still in effect today. At the same time, you also need to review other related documents to ensure full compliance with regulations and proper implementation of procedures.

Below are the types of wood banned from exploitation according to Decree No. 18/HDBT of the Government dated January 17, 1 regulating the list of precious and rare forest plants and animals and the management and protection regime:

Group IA

Group IIA

Above is all the information that Kosmos has collected about the board Wood group classification according to the latest Vietnamese standards. Hopefully they will help you understand more about the wood industry and choose the most suitable wood line for yourself.