Solve the question of whether solid wood furniture is environmentally friendly.

Natural, environmentally friendly, high quality - this is the consumer's traditional understanding of solid wood furniture. However, after the Da Vinci incident, the reporter found in the market visit that the introduction of pure solid wood furniture, the tone of some merchants changed greatly, from the previous "health and environmental protection" to "easy deformation, cracking", and many solid wood furniture actually It is also made of “finger joints and laminated materials. A lot of glue is used in production, which is not environmentally friendly”. Are these statements true? What is the true face of solid wood furniture? In this issue, we came to follow the experts to get to know the solid wood furniture.

Solid wood furniture

Many solid wood furniture in the minds of consumers means that all parts of the furniture are pure solid wood furniture made of whole piece of wood. In fact, this kind of pure solid wood furniture is only a part of the solid wood furniture sold on the market. To truly understand the solid wood furniture, it is first necessary to have a comprehensive understanding of the concept and classification of solid wood furniture. In accordance with the national standard "GBT 3324-2008 general technical conditions for wooden furniture", solid wood homes have two classification criteria: "wood solid wood proportion and technology" and "solid wood properties".

According to the proportion of materials and process points

Luo Wei, director of the Beijing Wood Furniture Quality Supervision and Inspection Station, said that according to the proportion and technology of solid wood materials, the national standard Chinese solid wood furniture is divided into three categories: “all solid wood furniture”, “solid wood furniture” and “solid wood veneer furniture”. . All solid wood furniture means “all wood parts (except mirror pallets and beading) are made of solid wood sawn timber or solid wood panels”. Solid wood furniture refers to “the furniture made of solid wood sawn timber or solid wood, and the surface is not covered with furniture”. Solid wood veneer furniture refers to “the furniture made of solid wood sawn timber or solid wood panels, and the surface is covered with solid wood veneer or thin wood (wood veneer)”. The difference between solid wood furniture and solid wood veneer furniture is that "the substrate is veneered", the veneer is attached to the surface of solid wood veneer or thin wood (wood veneer).

Luo Wei introduced that according to the national standard, “substrate” is “the material used to make the main parts of furniture, also called the main material.” The main component of the furniture is the part that supports, supports and longitudinally separates the furniture. The main components of table furniture include table tops, drawers, door panels, side panels, tripods, etc. The main components of cabinet furniture include panels, roof panels, side panels, partitions, floor panels, tripods, etc.; The components include seat surface, armrest, backrest, foot, etc.; the main components of bed furniture include bed screen (high screen, low screen), bed board, bed mattress and so on.

Luo Wei reminds that as long as one of the substrates is made of wood-based panels, all other solid woods can not be called solid wood furniture, which is what we often call "board and wood combined furniture" is not "solid wood furniture", but Comprehensive wood furniture. In the new edition of the "General Technical Conditions for Wood Furniture" national standard, comprehensive wood furniture refers to furniture made of a mixture of solid materials, wood-based panels and other materials.

Solid wood veneer furniture, mainly because the wood used in the furniture is not too good, the texture and color are not beautiful enough, so the precious wood with better texture and color is used on the surface. If the texture, color and material of the solid wood are very good, the materials are excellent, and generally no veneers are needed. “That is to say, solid wood furniture and solid wood furniture can visually see the color, texture and material quality of the solid wood itself, and it means that if the material is better, its value will be higher.”

So, how to identify whether solid wood furniture is surface veneer? Experts said that you can look at the texture of the two sides of the whole board. If it is solid wood, the texture of the corresponding position on both sides should be the same. If it is solid wood, it will not be the same.

According to the properties of solid wood

According to the properties of solid wood, solid wood furniture is divided into solid wood sawn furniture and solid wood sheet furniture. According to the national standard, solid wood sawn furniture is also called natural solid wood furniture, which refers to "furniture made of solid wood sawn timber." The reason why it can be called natural solid wood furniture is that solid wood sawn timber is directly cut into logs to make the furniture required specifications, dry materials.

Solid wood panel furniture is furniture made of solid wood panels. The solid wood board refers to the solid wood material formed by the secondary processing of the wood such as the joint material and the laminated material. What does fingering and integration mean? According to Luo Wei, the finger joints are connected by means of finger joints, and the integration means that the narrow materials are widened by means of glue. Solid wood board is a solid wood material formed by secondary processing. In terms of value, solid wood sawn wood furniture has higher requirements for material selection and lower yield. The production cost is much higher than that of solid wood sheet furniture. Expensive.

In response to the use of rubber on the market, Luo Wei said that solid wood furniture made of finger joints and laminated materials must be glued in the process of finger jointing and integration, but now they are allocyanic acid. Grease, "This glue is a water-soluble glue and does not contain formaldehyde. It is harmless to people during use and can be used with confidence."

Judging whether it is a finger-joined wood requires the consumer to carefully identify the surface of the furniture and see if there are seams between the woods, and whether the corresponding lines on both sides of the surface material are consistent.

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