Q:What harm does ultraviolet ray have to human body?

In the scorching summer morning, 10 am to 3 pm, the strongest intensity of ultraviolet radiation in the sun, outdoor activities should avoid this period of time, in order to avoid ultraviolet harm to the human body, even in this period of time in outdoor activities, also do not forget to hold sunshade, wear a hat or sunglasses, use the regular manufacturers the skin cream and sunscreen, and as a white or light colored clothes, in order to reduce the ultraviolet radiation, causing unnecessary damage to the human body. Although excessive UV damage to humans, but the healthy growth of the body can not be separated from ultraviolet light. Vitamin D3 can be converted into vitamin D3 by light irradiation, and vitamin 7- plays an important physiological role in maintaining calcium concentration and regulating calcium and phosphorus metabolism in human cells. In sunshine is insufficient, and the incidence of osteoporosis of infant rickets and osteomalacia in adults, babies thrive cannot do without adequate sunlight, the body needs proper UV, therefore, the amount of light is necessary.

Q:Do you need waterproof fabrics for outdoor umbrellas?

The main function of outdoor sunshade is sun shading, and UV protection is the most important function. No waterproof fabric is needed

Q:How to choose outdoor umbrellas, outdoor umbrellas which good?

Selection of outdoor umbrellas from three aspects, first umbrella cloth, good umbrella cloth quality requirements are 3-5 years without fading,

Q:Do you have a fireproof umbrella?

General umbrellas are made of cloth, PVC although fire prevention, but you directly connect cigarette butts, the time is short, but fortunately, a long time, it is difficult to say oh!

Q:What kind of material is good for sunshade?

Buy sunshade umbrella should pay attention to whether there is a label that this umbrella is anti UV, is this umbrella can really prevent ultraviolet ray (the general umbrella is not UV resistant). Of course, the market also sells both rain and anti UV umbrella. Usually the label will be sewn on the umbrella in the inner parts of skeletons, or its price tag has marked effects of anti UV.

Q:Do you get dark if you don't touch ultraviolet light in places where there's plenty of outdoor light?

There are ultraviolet rays everywhere... For a long time, of course it will be black.The sunshade can only block out some ultraviolet rays. You can't stand the refractionSunscreen can only be protected in the corresponding time due to UV damage.You stay in the house during the day and you're exposed to ultraviolet light.

Q:What's the size of an umbrella in an outdoor advertisement?

Now there are sixty or seventy yuan in the market sun umbrella, there are more than 100 of the sun umbrella, without considering the false offer, the price is determined by the quality of the sun umbrella. The umbrella cloth is an important factor in the price of the umbrella cloth with nylon cloth, acrylic cloth and other types, and umbrella cloth with a material also has an different number of differences, including high-end outdoor sunshade with polyester cloth, polyester cloth and the thickness of the sun and rain proof function the stronger; followed by a single umbrella, sun umbrella shares have doubled, and double cross structure, and so on, materials and processes are not the same.

Q:What exactly is an outdoor furniture?

Now outdoor furniture can be divided into three broad categories:A type of furniture that is permanently attached to the openFor example, solid wood furniture, wooden pavilion tent Ironwood chairs. In general, this kind of furniture should be made of high quality wood, with good corrosion resistance and heavy weight. It should be outdoors for a long time.

Q:What are the silver coatings for umbrellas?

Now a lot of that kind of polyester canvas, shading effect is good, relatively thick fabric, polyester tarpaulin is waterproof glue to do, for a long time, water is not so good, but his life is good, not easy to aging, with 3-4 years there is no problem. To sum up, there is no one hundred percent watertight cloth, it is impossible, and each product has its own advantages, I hope I can help you.

Q:Can the umbrella be washed?

If necessary. Do not wash sun umbrella. We must wash it with water wash, the best umbrella surface, try not to get the water to the umbrella, umbrella to avoid rust. In fact, the best way is not to buy a light colored umbrella, so you don't have to charge the cattle rearing. And I heard that dark umbrellas have better UV protection than light umbrellas!