Today's attention: solid wood flooring
Experts in appearance: Fang Chongrong, deputy director of the Forest Products Quality Inspection and Testing Center (Hangzhou) of the State Forestry Administration
Product introduction
Solid wood flooring is a floor that is directly processed from wood. There are mainly solid wood flooring (also known as tongue-and-groove flooring), which can be divided into two types: paint board and plain board. In recent years, with the changes in the trend of decoration and decoration, antique solid wood flooring has become a new variety.
The production process of solid wood flooring is mainly made up of trees, which are grown in the natural environment, through various processes such as material making, sawing, drying, balancing, planing, grooving, sanding and painting. Its characteristics are: no pollution, beautiful natural pattern, pleasing color, strong texture, and can adjust indoor temperature and humidity.
Key indicators
1. Moisture content. According to the national standard, the moisture content index of solid wood flooring is 7.0% to the equilibrium moisture content of wood in each use area, and the moisture content in the same batch of floor and the same floor is not more than 4.0%. If the moisture content of the floor is too high or too low, it is not conducive to the later use of the product. If it is too high, it will easily lead to quality defects such as shrinkage deformation and cracking; if it is too low, it will easily cause warping deformation, causing the floor to absorb moisture and expand and deform, and it is easy to cause internal deformation during drying. Cracked and so on. Eventually, the defects of the paint surface are generated, which affects the appearance and use.
2. Paint quality. The quality of the paint surface of solid wood flooring mainly includes: three indexes of paint film surface wear resistance, paint film adhesion and paint film hardness. It reflects the anti-wear, anti-cut and impact resistance of solid wood flooring products. Different grades of solid wood flooring have different requirements for the above indicators. Poor surface wear resistance is easy to wear the paint film during use, affecting the life of the product; the adhesion of the paint film is easy to fall off, affecting the appearance and product use; the low hardness of the paint film is easy to wear and can not withstand a certain impact.
3. Processing accuracy. This indicator is the main basis for assessing the quality of solid wood flooring machining. Reflects the precision of the fit between the solid wood floorboards. Consumers can use 10 floors to evaluate their accuracy through random assembly, mainly looking at assembling gaps, gaps and height differences.
Shopping tips
1. Do what you can and be clear. Solid wood flooring has a lacquered board and a plain board. Consumers should decide whether to choose lacquer or plain board according to their own economic conditions and aesthetic tastes. Usually, there is a certain price difference between the same material lacquer plate and the plain plate, and there is also a price difference between different grades. Of course, the lacquer plate is better on the material selection and the final effect of the paving.
2. Understand the use of flooring materials, not blindly from the trend of fashion. There are more than one hundred varieties of solid wood flooring on the market. When choosing, should pay attention to whether the material is stable and the hardness is suitable; grasp the main color as much as possible to coordinate with the decoration style of the room.
3. Processing accuracy, material and appearance rating. The processing accuracy and material grade directly affect the effect of the floor laying and must be strictly controlled. The floor can be randomly assembled on a flat base surface, and the seam height can be touched by hand, and the gap size of the seam can be observed with the naked eye. Also pay attention to the tightness of the tongue and the groove. Generally, it is better to pick up one of the floors and the other one without landing.
4. Choose the right moisture content. Moisture content is the most important indicator of the quality of the interior of the floor. Since the accurate determination of the indicator is troublesome, the moisture measurement instrument can be used for rapid measurement when actually purchasing. Some large distributors are equipped with a moisture meter that allows consumers to perform on-site inspections.
5. Choose products with a certain brand, scale and after-sales service guarantee. When purchasing, you should ask about the basic conditions of the production and distribution units and understand the quality of after-sales service. Try not to choose products without factory name, no quality grade, no specification name, no production license number, implementation standard, etc., and request quality certificates as much as possible.
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