In summer, preventing ultraviolet radiation from harming the human body has become more and more important to consumers. Ultraviolet rays in the solar spectrum not only cause textiles to fade and embrittle, but also can cause sunburn, aging, and melanin and pigmentation. Severely, it can induce cancer and endanger human health.
Its realization of the market's UV protection fabric is not particularly large, the main common UV protection fabrics are polyester UV protection fabrics, nylon UV protection fabrics and UV-resistant fabrics. In fact, UV protection fabrics also include cotton, hemp, silk and wool, polyester and nylon, and nylon fabrics. These fabrics have a good ability to absorb and transform ultraviolet rays. Through the function of reflection and scattering, all the ultraviolet rays absorbed by the fabric are emitted to prevent ultraviolet rays from harming human skin.
The harmfulness of ultraviolet radiation to the human body has increasingly attracted the attention of countries in the world. Australia and other countries have explicitly required that students wear clothing and other sun protection functions. What is the standard of textile fabrics against ultraviolet rays in China?
1) Therefore, in order to protect the human body from excessive UV radiation, fabrics are subject to UV protection;
2) Non-toxic, safe to human body after finishing by UV protection fabric, no irritation to the skin, no allergic reaction, no influence on the color, strength and moisture permeability of the fabric;
3) Polyester UV protection fabric and nylon UV protection fabric: Peach skin Chun Ya spinning satin, etc.; UV umbrella surface fabrics are: Polyester spun silk, five spinning satin, etc.;
4) UV-resistant fabric products, according to customer requirements up to UPF50 +, UV shielding up to 99%, on the human body to form an excellent UV protection, reliable quality, credit guarantee;
5) UV-resistant fabric standard: AS/NZS4399:1996, UPF range protection grade 15-24 is good, 25-39 is very good, 40-50, 50+ is excellent;
Thick fabrics of all kinds of apparel fabrics are better than thin ones in terms of UV resistance, among which the anti-ultraviolet properties of polyester fibers are the best, which is related to the role of benzene rings in the molecular structure of polyester fibers in absorbing ultraviolet light. The UV resistance of nylon, cotton, and silk is less than satisfactory. So we choose to use UV protection clothing to try to choose a thick fabric containing polyester fiber. (Now some domestic polyester fabrics have achieved very high levels of UV protection).
The tighter the fabric, the stronger the light blocking capacity, and the less UV transmission. Woven fabrics have better UV protection than knitted fabrics. The deeper the color of the clothes fabric, the lower the ultraviolet transmittance and the better the UV protection performance.
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