"Anion floor", "eco-flooring", "King Kong wood floor"... If you are a consumer who wants to buy floorboards, maybe you have had intimate contact with these floors in the market. A survey by the reporter found that the conceptual floor of the current market is endless, and many floors are made of “environmental protection†and “utilityâ€. However, the truth may not be as good as it once was.
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market survey
Floor name charming eyes
Recently, the Jinghua Household Reporter visited a number of stores and found that in addition to traditional classifications such as reinforced laminate flooring, solid wood composite flooring, three-layer solid wood composite flooring, and solid wood flooring, there are various “exclusive†features on the market. Floors, some also claim to have "clean air" or even "eliminate formaldehyde" and other special functions.
According to the reporter's understanding, including the living family, nature and other brands are playing the concept of ecological floor, Jiusheng floor also introduced the concept of "original" floor. In a store in the East Fourth Ring, the reporter saw a "eco-floor" launched by Nature. According to the purchaser, the floor has been used in the Expo Zero Carbon Pavilion, and its beautiful appearance is comparable to solid wood flooring. What makes people feel "magical" is that the Purchasing Owner introduced this kind of floorboard to add some special materials to release negative ions, which can make the indoor air more fresh. When the reporter was a little skeptical, he asked, "How can the floor release negative ions?" The Purchasing Guide replied: "The Expo Pavilion is all about us. What else do you believe?"
A well-known home website also recently published an interview with the founder of Madeleine Anion Floor, discussing the role of anion floors in air purification. Reporter logged on the official website of Madeleine Flooring and saw that in the column of “Anion Antivirusâ€, it was described as follows: “The anion floor is the only choice for home improvement and environmental protection flooring. Anion wood flooring is added to the negative ion technology while producing laminate flooring. In addition, the negative ion wood floor not only does not release formaldehyde, but also removes indoor formaldehyde and purifies the air. The purification rate is up to 97%.â€
In addition, imitation solid wood flooring, super solid wood flooring, new solid wood flooring, etc. also appeared in some brand floor stores, but according to a detailed inquiry by the reporter, these floorings affiliated with solid wood were mostly laminate flooring, but only adopted some new technologies.
Consumer point of view
The concept is misleading to consume
The reporter noticed that these propaganda did have some effects. On the Internet, there are some consumers who specifically ask whether “eco-floor†and “anion floor†are reliable. In Baidu's knowledge, a netizen asked with confusion: "Now many floors are marked with negative ions. I want to be safe, but I really don't know which one is true..." And for "eco-flooring," Many users think that their environmental performance should be better than other categories of flooring.
The Jinghua Household Reporter also randomly interviewed some consumers who are purchasing floors. Most of the consumers said that they had heard of super solid wood flooring. "What sounds like environmental protection and comfort should be better than solid wood flooring, or what is super solid wood flooring?" said Ms. Deng. However, when she learned that she still belongs to engineered wood flooring, she said that these statements are easily confusing. "What is it and what it is called is a misleading name. This is not misleading."
Expert statement
Unveil the concept of mystery
In response to various conceptual floors on the market, this reporter asked the expert member of the China Forest Products Industry Association, Wang Jun, director of the Forest Products Inspection Center (Changchun) of the State Forestry Administration, and experts of relevant industries to give detailed explanations.
Anion floor vigilance fisheye beads
According to Zheng Sujiang, deputy director and chief technical officer of the Antimicrobial Material Testing Center of the Institute of Physics and Chemistry at the Chinese Academy of Sciences, negative ions are only an indicator of fresh air quality, but the higher the content, the more comfortable the person is and still in the research stage. According to him, at present, there are mainly two ways to artificially produce negative ions. One is to simulate lightning, and the other is to stimulate ionization of water in the air to generate negative ions. Another is to generate negative ions through negative ion powder or tourmaline powder, but Radioactivity, which has its own composition, has no effect on health. However, he said that the country has certain requirements for the radioactivity of the indoor environment. If the flooring products can meet the requirements of the country, they should be qualified. As for whether the negative ions produced can decompose indoor formaldehyde, he said he has not heard of it. Consumers who want to purchase can ask the manufacturer to produce relevant test reports.
According to Wang Jun, some floor manufacturers added tourmaline powder to the anti-abrasive layer of the floor—aluminum oxide, which could indeed produce negative ions. However, whether the effects of “accepting forest oxygen bar†as advertised by manufacturers are still to be verified. He also pointed out that some companies have not conducted any treatment, and also claimed that their own products can emit negative ions, the market will inevitably some fishy products, consumers should be vigilant.
Ecological floor appearance is not enough wear
Wang Jun said that at present, there is no such type of “eco-floor†in the national standard. The ecological floor sold on the market is a composite floor made of medium-density board as the base material and is surface-printed and painted, but it is neither reinforced. The floor also does not belong to parquet. Generally, the inspection of the substrate should meet the standard of the reinforced composite flooring substrate, and the surface layer should meet the standard of the paint floor. There are no decorative papers and wear-resistant papers on the surface. In terms of the environment, this kind of floorboards eliminates decorative paper when it is produced, which reduces the consumption of some of the resources and is relatively ecological. If the company can promote it from this aspect, Understand and accept.
The advantage of this "eco-floor" is that its pattern is directly printed on the substrate, it looks very realistic, more beautiful, and the decorative effect is better; the disadvantage is that the surface is painted, even if it is a high wear-resistant paint, its resistance The grinding performance is also not as good as that of the aluminum oxide wear layer in the laminate flooring. Consumers can compare according to their needs and preferences when purchasing.
Zero carbon floor reflects corporate social responsibility
As a new concept, "zero carbon floor" also appeared in the promotion of a certain brand. What kind of can be a zero carbon floor? Wang Jun explained that according to the internationally accepted carbon emission calculation method, zero carbon includes two types: one is how much oxygen is consumed in the production process or how much carbon dioxide is emitted, and after plantation, the same amount or even more oxygen is released through planting trees. Or through the purchase of carbon emissions, zero carbon emissions are achieved; there is also a full use of natural energy, such as solar energy, wind energy and other natural resources to produce electricity can also be called zero-carbon. If you do not use natural energy or purchase carbon emissions, even if you use only one degree of electricity in the production process, you can't call it "zero carbon."
At the same time, he also stated that the true “zero carbon†reflects more the corporate social responsibility and emphasizes the importance and contribution of the company to ecological balance. At present, the concept of low-carbon is advocated, and consumers choose “low-carbon products†as support for companies with social responsibility.
Diamond flooring emphasizes paint performance
Many netizens are also asking whether the quality of the diamond flooring is better. In this regard, Wang Jun said that if the substrate does not change, most of this type of flooring emphasizes the performance of the surface paint, similar to the titanium crystal surface and other claims . Some companies use ultra-abrasive paint, which has better impact resistance, abrasion resistance and scratch resistance.
The netizen asked more "piano lacquer flooring," Wang Jun pointed out, "Literally speaking, the piano paint floor has high brightness, but the performance of 'piano paint' is also different, and some floors use high-bright wear-resistant paint. Enterprises in pursuit of high brightness while still maintaining good wear resistance, but some piano paint wear resistance is still good to be verified.†For consumers, experts recommend not to blindly pursue the piano paint floor, but should look at the product The inspection report, while highlighting the floor, should also focus on good wear resistance.
Super solid wood floor is mostly compound floor
What is the understanding of "super solid wood flooring", "new solid wood flooring" and "imitation solid wood flooring" appearing on the market? Is it really better than solid wood flooring? In this regard, the director of the National Furniture and Indoor Environmental Quality Supervision and Inspection Center, said that this is a business speculation, this type of floor is not a literal understanding, most of them are parquet or laminate flooring, but also better than solid wood flooring Mainly wear or stability and other properties, and real wood flooring is still somewhat different.
Do not listen to the concept of consumer comparison
Luo Hao said that the flooring industry is highly competitive, and many businesses rely on "chaos concepts" to create selling points. Consumers should beware of the business's flicker when they buy. Wang Jun suggested that when consumers buy flooring, they should not blindly believe in the concept of speculation, but must understand whether the product meets national standards. It is best to go to the brand store to purchase products. If possible, you can understand the previous customer's claims and ask to view the inspection report of the same batch of products. In short, we must not only choose good products but also select good services.
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A dumbwaiter is a small freight elevator or lift intended to carry objects rather than people. Dumbwaiters found within modern structures, including both commercial, public and private buildings, are often connected between multiple floors. When installed in restaurants, schools, kindergartens, hospitals, retirement homes or in private homes, the lifts generally terminate in a kitchen.
The term seems to have been popularized in the United States in the 1840s, after the model of earlier "dumbwaiters" now known as serving trays and lazy Susans. The mechanical dumbwaiter was invented by George W. Cannon, a New York City inventor. Cannon first filed for the patent of a brake system (US Patent no. 260776) that could be used for a dumbwaiter on January 6, 1883. Cannon later filed for the patent on the mechanical dumbwaiter (US Patent No. 361268) on February 17, 1887.Cannon reportedly generated a vast amount of royalties from the dumbwaiter patents until his death in 1897.
A simple dumbwaiter is a movable frame in a shaft, dropped by a rope on a pulley, guided by rails; most dumbwaiters have a shaft, cart, and capacity smaller than those of passenger elevators, usually 45 to 450 kg (100 to 1000 lbs.) Before electric motors were added in the 1920s, dumbwaiters were controlled manually by ropes on pulleys.
Early 20th-century codes sometimes required fireproof dumbwaiter walls and self-closing fireproof doors and mention features such as buttons to control movement between floors and locks on doors preventing them from opening unless the cart is stopped at that floor. Dumbwaiter Lifts in London were extremely popular in the houses of the rich and privileged. Maids would use them to deliver laundry to the laundry room from different rooms in the house. They negated the need to carry handfuls of dirty washing through the house, saving time and preventing injury.
A legal complaint about a Manhattan restaurant's dumbwaiter in 1915, which also mentions that food orders are shouted up and down the shaft, describes its operation and limitations as follows:
[There is] ... great play between the cart of the dumb-waiter and the guides on which it runs, with the result that the running of the cart is accompanied by a loud noise. The rope which operates the cart of the dumb-waiter runs in a wheel with a very shallow groove, so that the rope is liable to and does at times slip off. ... The cart has no shock absorbers at the top, so that when it strikes the top of the shaft or wheel there is a loud report. ... [T]he ropes of the dumb-waiter strike such wall at frequent intervals with a loud report. ... [T]he dumb-waiter is often negligently operated, by running it faster than necessary, and by letting it go down with a sudden fall.
More recent dumbwaiters can be more sophisticated, using electric motors, automatic control systems, and custom freight containers of other kinds of elevators. Recently constructed book lifts in libraries and mail or other freight transports in office towers may be larger than many dumbwaiters in public restaurants and private homes, supporting loads as heavy as 450 kg (990lbs)
Dumbwaiter Lifts, Service Lifts, Service Lift, Dumb Waiter, Dumbwaiter Lift
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