The current understanding of cork flooring in the market is still very vague, many people are still unclear about the cork flooring, do not understand the stage, even some merchants selling cork flooring and some floor industry insiders, in the relevant expression of cork flooring There is still a confusion about the concept.
Today, we may wish to analyze the cork flooring in combination with the cork flooring industry standard LY/T1657-2006 to answer the general misunderstandings about the cork flooring.
Myth 1: Classification of cork flooring, cork flooring and cork flooring on cork flooring
The cork flooring of the flooring industry is a general term, which includes cork flooring and cork laminate flooring. This division is carried out in the order of appearance of the cork flooring.
Cork flooring refers to the pasted cork flooring currently on the market, which is seen on the market with a thickness of 4mm, 6mm, 7mm, and no cork flooring of pure cork that does not combine any carrier. The industry standard defines cork flooring as a pasted cork floor: a floorboard made of cork oak or similar tree bark processed and applied with adhesive, and then adhered to the surface of a floor substrate such as concrete floor or wooden floor with adhesive. floor.
The lock-type cork flooring we see on the market is the standard cork laminate flooring. The standard definition is to add fiberboard for the floor substrate between the cork base layer and the balance bottom layer of the cork floor. After assembly, place it directly on the surface of the floor substrate such as concrete floor, wooden floor or keel.
In the future, in order to make it easier for consumers to directly understand which type of cork flooring, we can express the classification of cork flooring and cork laminate directly as adhesive cork flooring and lock cork flooring, so that we can better express clearly. The concept of cork flooring. These two types of flooring are very different in terms of production process, installation and construction, maintenance and application range, so it is very important to understand that these two concepts are important for the promotion and application of cork flooring.
Myth 2: equating the physical properties of cork with the properties of cork flooring
The misunderstanding is actually to classify the physical properties of cork, cork flooring and cork laminate flooring into the same category. This is a very serious mistake. The understanding of this misunderstanding is mainly reflected in the use of cork flooring for radiant heating (geothermal). Heating is an assertion of heat insulation. I think this sentence is a logical thinking mistake: that is, because natural cork has very good elasticity, sealing, heat insulation, sound insulation, electrical insulation and friction resistance. Physical properties such as sex, so all kinds of cork flooring made with it should also be insulated. You can look at it. Insulation is a physical property of natural cork or bark stage. And is it true that the paste-type cork flooring and the lock-type cork flooring that it made with it are insulated? Here I am responsible to tell you that the thermal conductivity of the adhesive cork flooring and the lock-type cork flooring, that is, heat conduction. The efficiency can reach the national standard of geothermal floor, especially the thermal conductivity of the adhesive cork floor is very excellent in all the wooden floors, the main reasons are two points:
First, the natural cork insulation is because the cork is a honeycomb structure, the inside is filled with air, and the air can block the transmission of heat insulation, thereby delaying the heating time and playing the role of heat insulation, and the manufacture of the adhesive cork flooring needs to be natural. The cork bark is first pulverized and then polymerized at high temperature and high pressure. In this process, the air inside the cork is greatly compressed, and the original normal honeycomb is flattened, the air inside is reduced, and the natural thermal conductivity is improved.
Second, there are two main reasons for affecting the thermal conductivity of geothermal floor: one is the material property of the floor itself; the other is the thickness of the floor. For the material properties of cork flooring, it is already clear that the thickness of the floor is also a very important factor affecting the thermal conductivity. The paste cork flooring currently circulating in the market is generally only 4mm, and is directly pasted on the concrete floor during construction. This will form a whole with the ground, and the heat transfer will be very fast. Let us look at the thickness of other floors on the market that claim to be geothermal flooring. The thickness of the laminate flooring itself is 8-12mm, plus the floor mat 2mm, generally 10-14mm, the thickness of the solid wood composite floor is generally 13- 18mm or so, plus the floor mat 2mm, generally up to 15-22mm, and the construction uses a suspension paving method, there is a hollow part, it will also cause a certain temperature loss. You can look at the advantages of the thermal conductivity of the paste-type cork flooring in the geothermal floor. In fact, according to the different thermal conductivity test of the wooden floor and the actual use of the consumer, the advantages of the paste-type cork floor in geothermal heating have been proved. The thermal conductivity of the lock-type cork floor is basically the same as the thermal conductivity of the laminate wood floor, so "the determination that the cork floor is used for radiant heating (geothermal heating) is not established."
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