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Bamboo fiber textile health is mostly a gimmick, the price is too low to buy carefully
Release time:
2018-07-12
Since the beginning of summer, bamboo fiber textiles known as "bacteriostasis, deodorization and moisture absorption" have been loved by many consumers, but many businesses have marked their products with health preservation functions such as "anti-ultraviolet", "release of negative ions" and "anti-radiation". Some consumers expressed doubts about this. Experts said that bamboo fiber products can indeed inhibit bacteria and deodorant, but the health function is mostly gimmicks, consumers should beware of flicker.
Bamboo fiber products generally high price
The reporter found in the market that some underwear, bedding, curtains, etc., because they are made of bamboo fiber, are much more expensive than cotton products. For example, a cotton towel is about 10-20 yuan, a bamboo fiber towel costs as much as 60-70 yuan, and bamboo fiber four-piece bedding is also easily 2000 yuan. According to the salesperson, this bamboo fiber product is soft and smooth, hygroscopic and breathable. More importantly, compared with other materials, bamboo fiber products can also inhibit bacteria and deodorize.
More miraculously, many bamboo fiber products also claim to have the function of health preservation. A shop named "Hengmei Home Textile" in Taobao Tmall Mall stated in the product description of a four-piece bedding set that bamboo fiber can "improve sleep quality", "release negative ions, improve human breathing", and "eliminate skin impurities., Improve complexion" and so on.
The reporter also found in the investigation that in addition to bamboo fiber products, there are bamboo charcoal fiber products, and most salespeople confuse them. The reporter interviewed the consumer Ms. Wang on the spot. She said that this product can deodorize well. "As for health preservation, it is probably nonsense, right?"
Bamboo fiber is not equal to bamboo charcoal fiber
Does this product really have the function of bacteriostasis, deodorization and health preservation? After the recommend of China Textile Business Association, the reporter contacted Gu Yulu, a senior engineer of Jilin Chemical Fiber Group who specializes in chemical fiber technology research. Gu Yulu introduced that bamboo fiber is fine, stable and uniform, and has unique resilience, so it has a special velvet feeling and is soft and does not tie the body. Because the cross section is full of large and small oval pores, it can absorb and evaporate a large amount of water in an instant, and has the characteristics of moisture absorption and air permeability. Bamboo fibers are also known as "breathing fibers" due to their highly hollow cross-sectional characteristics ".
Does bamboo fiber and bamboo charcoal fiber belong to the same material? In fact, the two are completely different. Gu Yulu said that although both are related to bamboo, bamboo fiber refers to cellulose fiber processed and extracted from naturally growing bamboo. Bamboo charcoal fiber refers to carbon powder made of nano-particles after high-temperature oxidation and calcination of bamboo, then viscose or acrylic fiber is added, and then spun by an approximate regular spinning process. Experts said that because of the adsorption of bamboo charcoal particles, textiles made of bamboo charcoal fiber will have a good deodorization and moisture absorption effect when the content of bamboo charcoal is high, but the content of bamboo charcoal is not only related to the content of bamboo charcoal fiber in the finished product, but also related to the number of bamboo charcoal particles added during processing. If businesses promote these two concepts together, consumers should be careful to be deceived when buying.
It does have bacteriostatic deodorant effect
Bamboo fiber products are mostly curtains, underwear and bedding. The main advantage of merchants is "bacteriostasis and deodorization". Regarding this function, Gu Yulu said, "Real bamboo fiber products do have the function of inhibiting bacteria and deodorizing, but there are many cases of using cotton textiles to pretend to be bamboo fibers on the market." In addition to checking the test results, consumers can also feel the antibacterial and deodorant effect of bamboo fiber in their daily life. Ms. Zhao, who is used to using bamboo fiber towels, said: "During the rainy season, wet cotton towels and bamboo fiber towels are placed in the bathroom. The time required for bamboo fiber towels to emit peculiar smell is about twice that of cotton towels." However, experts pointed out that the effect of bacteriostasis and deodorization is also related to the content of bamboo fiber in textiles. The higher the content, the better the effect of bacteriostasis and deodorization.
Some towel products marked "70% bamboo fiber 30% cotton" on the logo does it mean that it is not all bamboo fiber products? Gu Yulu pointed out that this system is normal, the loop part is bamboo fiber, the edge and bottom is cotton fiber, otherwise the stability is not good, easy to break after wet. If the merchant claims that 100 percent of the product is made of bamboo fiber, consumers should be cautious when buying.
Health functions are mostly gimmicks
Some businesses promote bamboo fiber textiles can "release far infrared rays, heat storage to keep warm", "blocking electromagnetic radiation, promote blood circulation" "rich in potassium and calcium elements, promote health" and other functions, bamboo fiber products are really so magical? Gu Yulu said, these functions are not detectable and confirmed, consumers should not be credulous. Heat storage to keep warm is not because bamboo fiber can release far infrared rays, but because the unique hollow structure of bamboo fiber blocks the transfer of heat, the thermal performance will be better. However, experts said that bamboo fiber does also have the function of preventing ultraviolet rays. The transmittance of ultraviolet rays from 200 nm to 400 nm is almost zero, but it is only reflected when it is used for processing T-shirts or curtains, but the effect is not so obvious.
-Tips
The price is too low to buy carefully.
When buying for the first time, it is best to go to a regular shopping mall and touch the product in person. The genuine product feels fleshy and does not prick hands. People who use it often can easily distinguish it from the feel.
Look at the luster of the product. If the product is glowing with a particularly bright luster, it is more likely to be a fake.
The price is too low to buy carefully. Experts said that the price of a bamboo fiber towel is more reasonable between 20 and 120 yuan. If the price is lower than 20 yuan, it is best not to buy it.
From the processing of raw materials to the finished product, after many processes, the finished product cannot retain the smell of bamboo, even if it is genuine, it is impossible to smell the fresh smell of bamboo.
Washing pay attention to water and temperature
In principle, do not use alkaline water to wash, it is recommended to use neutral or weakly acidic water to wash. Alkaline water has damage to bamboo fiber, and has an impact on the effect of bacteriostasis and deodorization and the durability of the fiber. However, when used again, the human body will sweat, sweat is acidic, and the antibacterial function will be restored.
The water temperature should not be too low when washing. If the temperature is too low, it will cause the bamboo fiber fabric to harden. After soaking in warm water, softness will be restored.
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