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7 times water absorption, 5 times life, no chemical drugs, can remove mites... so many functions can be done with a towel, it has a high-tech name, called "nano towel." Don't look at people's homes, the price is very "close to the people", the online store sells at least 5 cents. On the evening of August 2, the reporter visited the night markets of Taitung, Nanjing Road and other places, and found that selling such “nano towels†is quite a lot, but most of the products are labeled “microfiber towelsâ€, but they are not seen. The word "nano". Is this towel really amazing? According to this expert, this is just a concept of business hype, and a towel with such a low price cannot be made in nanometer.
Is water absorption not fading?
On the evening of August 2, the reporter visited the night markets of Nanjing Road and Taitung. The so-called “nano towels†can be seen everywhere, and the models are complete, ranging from small square towels to bath towels, and a variety of colors to choose from. "Nano towels, Korean nano-materials, when the towel rags are fine, very good." In Nanjing Road Night Market, a street vendor enthusiastically greeted customers. The reporter picked up a "Bailing" towel from the "Shixingzhuang Jianxing Knitting Factory". The product name was "Microfiber Towel" with the composition of "80%? Polyester, 20%? Nylon". "How is this a nano-towel, isn't it a microfiber towel?" Hearing the reporter's question, the vendor explained: "Because this towel has good water absorption and does not fade, it is called a nano towel."
In the Taitung Night Market, there are more small vendors selling “nano towelsâ€, and their explanation for this term is exactly the same. “Microfiber towel is a nano-towel. It not only absorbs water, but also does not fade.â€
The function is very powerful, the lowest is to sell five hairs. "How much is this towel?" The reporter asked a "nano towel" with the specification "?25×25cm?". After some bargaining, a vendor in the Taitung Night Market promised to sell it to reporters at a price of $1 each. "The original price is a piece of five, see how much you want to give this price." He said while taking out a black plastic bag filled with various specifications of nano-towels, retail prices ranging from 1.5 yuan to 8 yuan, there are The label of the thick towel clearly reads the words “Korean multi-functional nano towelâ€. There are several rows of words below to describe the powerful function of this towel: “There is no chemical, no bacteria; 7 times water absorption, Strong vacuuming ability, mildew proof and easy to clean, remove dirt, grease, mites..."
Subsequently, the reporter imported “nano towels†from Taobao and Alibaba.com and found that the sellers selling such towels spread all over the country. The lowest price was only 5 cents, and the shipment volume was very large. It has been thousands.
Expert: Such a cheap towel can't be nano-chemical free. Basically, isn't the so-called "nano" towel on the market? On August 3, the reporter consulted Professor Qi Xilin, who is engaged in nanotechnology research at Qingdao University. "Microfibers are far from nanometers. It is a concept of hype for vendors to sell them as nano-towels." Professor Yu said that the so-called microfibers are as large as nanometers, and it is a very vague concept. Micro or hundreds of microns (1 micron = 1000 nm = 0.001 mm) can be referred to as ultrafine fibers. In contrast, nanomaterials have clear quantitative criteria, and the size of the structure needs to be in the range of 0.1 to 100 nanometers.
For the "Non-Towel" marked "Chemical-free, no bacteria", Professor Yan said that this kind of propaganda is very unrealistic, microfiber is a polymer material, and the spinning is very thin, this technology It needs to be done with the help of chemical solutions, and the so-called "chemical-free" is basically impossible. At the same time, he stressed that at this stage, the application of nanotechnology in textiles is very limited. Sometimes nano-materials are added to towels, just to play an antibacterial role.
The reporter took out a small square towel that was bought at the night market and retailed for only 1.5 yuan. Professor Yan said, “So cheap towels can't be made of nano-materials. It takes a lot of technical cost to pull down to nano-scale. I personally think that towels are not necessary for nano-processing, and pure cotton towels are enough. "文/图?? The newspaper trainee reporter Zhou Xiaohe?? Liu Min?? Li Yan ■related news PH value exceeded the towel Island City has not seen the traces of the Peninsula Metropolis Daily on August 3 (Reporter Liu Min)? Recently, Shanghai Industrial and Commercial The Bureau announced the quality monitoring results of some of the towels sold in the market. A total of 8 batches of products had excessive PH values, and the fiber content of the 9 batches was not true. On August 2, the reporter visited the major supermarkets and shopping malls in the island city, and did not find the towels that were inspected.
According to the monitoring results of the Shanghai Municipal Administration of Industry and Commerce, the “? Quilts†brand bath towel, which is produced by Shanghai Vantage Trading Co., Ltd., is sold at a unit price of 120 yuan, and the PH value is measured as 9.2, which is beyond the direct contact with skin textile products? The value range is from 4.0 to 8.5. In addition, Shenzhen Jiamingda Industrial Co., Ltd. produced "Xiandi" brand children's towel two pieces, the fiber content is called "88%? cotton, 12%? Viscose?, the actual measurement is 69.6%? Cotton, 25.5% Viscose, 4.9%? Polyester fiber, there is a phenomenon of sub-filling.
After the exposure of the Shanghai problem towel, the reporter visited the major supermarkets in the island city, did not find the problem batch of towels, but the same brand of other products are sold. On the counters of Taitung Wal-Mart Supermarket, there are other products of “Xiandi†brand towels, which are said to contain “100% cottonâ€. Although the problem towel was not found, the "three no towels" found a lot. For example, in a commercial building near the railway station, some small towels have only the characteristics of Chinese and foreign products, but they do not see the product name, manufacturer name, factory address and other information.
7 times water absorption, 5 times life, no chemical drugs, can remove mites... so many functions can be done with a towel, it has a high-tech name, called "nano towel." Don't look at people's homes, the price is very "close to the people", the online store sells at least 5 cents. On the evening of August 2, the reporter visited the night markets of Taitung, Nanjing Road and other places, and found that selling such “nano towels†is quite a lot, but most of the products are labeled “microfiber towelsâ€, but they are not seen. The word "nano". Is this towel really amazing? According to this expert, this is just a concept of business hype, and a towel with such a low price cannot be made in nanometer.
Is water absorption not fading?
On the evening of August 2, the reporter visited the night markets of Nanjing Road and Taitung. The so-called “nano towels†can be seen everywhere, and the models are complete, ranging from small square towels to bath towels, and a variety of colors to choose from. "Nano towels, Korean nano-materials, when the towel rags are fine, very good." In Nanjing Road Night Market, a street vendor enthusiastically greeted customers. The reporter picked up a "Bailing" towel from the "Shixingzhuang Jianxing Knitting Factory". The product name was "Microfiber Towel" with the composition of "80%? Polyester, 20%? Nylon". "How is this a nano-towel, isn't it a microfiber towel?" Hearing the reporter's question, the vendor explained: "Because this towel has good water absorption and does not fade, it is called a nano towel."
In the Taitung Night Market, there are more small vendors selling “nano towelsâ€, and their explanation for this term is exactly the same. “Microfiber towel is a nano-towel. It not only absorbs water, but also does not fade.â€
The function is very powerful, the lowest is to sell five hairs. "How much is this towel?" The reporter asked a "nano towel" with the specification "?25×25cm?". After some bargaining, a vendor in the Taitung Night Market promised to sell it to reporters at a price of $1 each. "The original price is a piece of five, see how much you want to give this price." He said while taking out a black plastic bag filled with various specifications of nano-towels, retail prices ranging from 1.5 yuan to 8 yuan, there are The label of the thick towel clearly reads the words “Korean multi-functional nano towelâ€. There are several rows of words below to describe the powerful function of this towel: “There is no chemical, no bacteria; 7 times water absorption, Strong vacuuming ability, mildew proof and easy to clean, remove dirt, grease, mites..."
Subsequently, the reporter imported “nano towels†from Taobao and Alibaba.com and found that the sellers selling such towels spread all over the country. The lowest price was only 5 cents, and the shipment volume was very large. It has been thousands.
Expert: Such a cheap towel can't be nano-chemical free. Basically, isn't the so-called "nano" towel on the market? On August 3, the reporter consulted Professor Qi Xilin, who is engaged in nanotechnology research at Qingdao University. "Microfibers are far from nanometers. It is a concept of hype for vendors to sell them as nano-towels." Professor Yu said that the so-called microfibers are as large as nanometers, and it is a very vague concept. Micro or hundreds of microns (1 micron = 1000 nm = 0.001 mm) can be referred to as ultrafine fibers. In contrast, nanomaterials have clear quantitative criteria, and the size of the structure needs to be in the range of 0.1 to 100 nanometers.
For the "Non-Towel" marked "Chemical-free, no bacteria", Professor Yan said that this kind of propaganda is very unrealistic, microfiber is a polymer material, and the spinning is very thin, this technology It needs to be done with the help of chemical solutions, and the so-called "chemical-free" is basically impossible. At the same time, he stressed that at this stage, the application of nanotechnology in textiles is very limited. Sometimes nano-materials are added to towels, just to play an antibacterial role.
The reporter took out a small square towel that was bought at the night market and retailed for only 1.5 yuan. Professor Yan said, “So cheap towels can't be made of nano-materials. It takes a lot of technical cost to pull down to nano-scale. I personally think that towels are not necessary for nano-processing, and pure cotton towels are enough. "文/图?? The newspaper trainee reporter Zhou Xiaohe?? Liu Min?? Li Yan ■related news PH value exceeded the towel Island City has not seen the traces of the Peninsula Metropolis Daily on August 3 (Reporter Liu Min)? Recently, Shanghai Industrial and Commercial The Bureau announced the quality monitoring results of some of the towels sold in the market. A total of 8 batches of products had excessive PH values, and the fiber content of the 9 batches was not true. On August 2, the reporter visited the major supermarkets and shopping malls in the island city, and did not find the towels that were inspected.
According to the monitoring results of the Shanghai Municipal Administration of Industry and Commerce, the “? Quilts†brand bath towel, which is produced by Shanghai Vantage Trading Co., Ltd., is sold at a unit price of 120 yuan, and the PH value is measured as 9.2, which is beyond the direct contact with skin textile products? The value range is from 4.0 to 8.5. In addition, Shenzhen Jiamingda Industrial Co., Ltd. produced "Xiandi" brand children's towel two pieces, the fiber content is called "88%? cotton, 12%? Viscose?, the actual measurement is 69.6%? Cotton, 25.5% Viscose, 4.9%? Polyester fiber, there is a phenomenon of sub-filling.
After the exposure of the Shanghai problem towel, the reporter visited the major supermarkets in the island city, did not find the problem batch of towels, but the same brand of other products are sold. On the counters of Taitung Wal-Mart Supermarket, there are other products of “Xiandi†brand towels, which are said to contain “100% cottonâ€. Although the problem towel was not found, the "three no towels" found a lot. For example, in a commercial building near the railway station, some small towels have only the characteristics of Chinese and foreign products, but they do not see the product name, manufacturer name, factory address and other information.
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