Zhengzhou advertising _ Nanyang parasol umbrella factory umbrella can block ultraviolet about 70, but can not cut off the UV reflection. If there are no anti-UV coating umbrella, sun umbrella can also use ordinary black umbrella effect of relatively good defense, followed by pink, yellow, and red little UV protection function. Usually with some outdoor umbrella fabrics we have seen to be divided into large, polyester fabric, oxford cloth, canvas. Polyester fabric shade and corrosion resistance is the best, the price is relatively affordable, Oxford arming water is better, but the price is a little high. Ran Gao polyester cloth also can be very upscale, such as using PA, PU, ??UV, texture coating umbrella so good, it can really play the role of three anti. Select UV umbrella umbrella fabrics mainly to see. Research shows that the canopy is thinner than the thickness of the fabric UV resistance is good, in general, less UV effect of cotton, silk, nylon, rayon and other fabrics, and polyester is good; some consumers believe the umbrella Thick UV better performance, it is not true, as the series developed a paradise umbrella lightweight fabrics but very close, protective performance is far superior to the general fabric; In addition, UV resistance darker the better, to the best satin fabric followed in turn is twill, plain. Experts also advise consumers to recognize UV ??resistance identification. When UPF> 50, then showed excellent UV protection properties of the product, protection class identified as UPF50 +. Luolong District, Luoyang waves tent factory in Zhengzhou /// _ umbrellas advertising umbrella factory in Nanyang