Common sense of purchasing cork flooring
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1. The first type of cork flooring: thicker cork layer, pure texture, surface layer is only 0.1 ~ 0.2 thick, thin, soft, high-strength wear layer will not affect the performance of the cork performance, the wear-resistant surface material is Non-toxic, odorless, odorless and durable, can be pre-coated at the factory. The back of the cork is coated with pressure-sensitive adhesive and covered with release paper. It is very convenient for users to use, and it can be directly affixed to clean and dry cement by simply peeling off the release paper. on the ground. This type of floor user can design his own, paste his own, very convenient. In addition, the paint can also be applied to the entire surface after laying on the cork floor. Australia, New Zealand and other countries use this process. If you can change shoes in the bedroom, do not bring in sand, generally 10 to 15 years of life is no problem.
2. For shops, corridors, places where it is difficult to avoid sand particles, it is better to use the second and third floor. Its surface layer has a thick flexible wear layer, sand particles will not slide after pressing into the wear layer, when the feet leave the sand will be ejected, will not scratch the wear-resistant surface, which is its advantage; but the surface is not toxic PVC, pure PVC resin can not be used as a wear-resistant protective layer, it is brittle and easy to aging, and therefore in the formulation to add plasticizers, heat stabilizers, light stabilizers, anti-blocking agents, antistatic agents, although The floor formula strictly requires that these additives are non-toxic, but at least the plasticizer is odorous, can easily migrate to the surface of PVC, and is easily leached by the solvent, and may also accelerate the aging of the product, so it is not suitable for bedroom pavement. At the same time, these two types of glued cork layers have been over-compressed, and therefore functions such as thermal insulation, noise reduction, and shock absorption have deteriorated. At present, some domestic consumers are advocating foreign products, blindly using high-priced foreign products of the second and third categories, and there are many doubts about the cheap domestic products of the first category. From a scientific point of view, the life of general PU coatings is also about 15 years. The first time the coating has more than 10 years of life, the coating should be updated. The aging life of PVC plastics is not as good as that of PU resins. After aging and decomposition, there will be hydrochloric acid and chlorine. Ionic pollution, therefore, the first floor of the bedroom floor should be preferred.
3. The use of rubber cork as a floor, its elasticity, vibration absorption, sound absorption, sound insulation and other properties are also very good, but usually rubber odor, special high-grade rubber is not economical, and use PU or PUA high wear-resistant coating as a protective layer Both in terms of performance and price, due to its use for indoor and indoor sports venues, attracts people's attention.
4. The bottom layer of cemented cork or rubber cork as wood floor is not only utilizing the properties of cork such as elasticity, thermal insulation, sound insulation and noise reduction, but also builds a reliable moisture-proof layer for the wooden floor, simplifying the paving process of the wooden floor. However, the cork material used must be water and mold resistant.
5. Cork flooring products have a density of 400-450kg/m3 and 450-500kg/m3 more than 500kg/m3. The common medium is 450-500kg/m3. If there are no heavy objects in the room, the density should be as small as possible. Better elasticity and insulation, sound absorption, sound insulation, vibration absorption, etc.
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