Photo: Cashmere is not cashmere
Chutian Gold News News Gold News (Reporter Yu Luxi correspondent Zhang Hu) How much cashmere does the cashmere sweater contain? What to do if your clothes have a pungent smell? Yesterday afternoon, experts from the Provincial Fiber Inspection Bureau accepted complaints from consumers in Qunguang Plaza to popularize the purchase of clothing knowledge (pictured). "Cotton sweaters and cashmere sweaters are often worth a thousand dollars or two. How do you distinguish between good and bad?" Ms. Lee asked with a cashmere knitted pullover she had just bought yesterday afternoon. Provincial Textile Inspection Bureau Inspection Department Director Xia Zhengqiu introduced cashmere, also known as cashmere, and some businesses promote the sheep's cashmere, sheep cashmere, etc. have nothing to do with cashmere, sheep wool is actually wool, some clothing manufacturers play concept, obviously Sweaters are claimed to be cashmere sweaters, but the appearance of cashmere products and ordinary wool products is not obvious. Cashmere is relatively soft and smooth. Consumers need to look carefully at the ingredients indicated on the label when purchasing, and if they are suspected, they need to pass physicochemical tests. Provincial Fiber Inspection Bureau field staff told reporters that the public should pay attention to the three steps of “seeing, smelling, and trying†to buy clothes. In addition to looking at the brand, it is important to look at the fiber composition of clothing, but also to look at the workmanship of the clothing, fabrics , texture, etc. to measure the quality of clothing. When selecting clothes, especially dark or large-area printing clothes, if smells odors, it is likely to be formaldehyde, which will cause some harm to the human body. It is recommended that the public wash and then wear after purchase, because formaldehyde has a strong volatility. Finally, try it out and consider the shrinking effect of clothes. Generally, the underwear fabric shrinks by about 4% to 8%, and the woven fabric is about 2%.
What material is a HEPA filter?
HEPA filter: HEPA (High Efficiency Particulate Air Filter) filter, namely high-efficiency air purifier, is a multi-layer purification technology that can filter more than 99.97% of dust particles with a particle size exceeding 0.3 μm. HEPA filters have the characteristics of good filtering effect, good sealing performance and long service life, and are widely used in semiconductor manufacturing factories, liquid crystal electronics factories, modular clean rooms and other occasions requiring ultra-high cleanliness.
HEPA filter media is a kind of synthetic fiber material, which is made of high-performance, high-strength fibers. At the same time, advanced production technology is used to ensure its highly deepened dust holding capacity and ideal low-resistance performance. HEPA filter media compared with other filter materials, high-efficiency filter cotton has higher filtration efficiency and better performance. High-efficiency filter media has its own special structure, which can not only effectively accommodate more dust, but also effectively improve the efficiency of filtration.
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