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7 key points for purchasing an outdoor umbrella

Update:03 Sep
7 key points for purchasing an outdoor umbrella
1. Look at the density of the fabric.
When choosing an umbrella surface, it is obvious that umbrellas with distinctive fabrics have poor anti-ultraviolet function, so consumers should purchase them cautiously.
2. Choose a larger umbrella surface.
Because the fabric has the characteristics of shrinkage, when buying a parasol, the umbrella surface should be large rather than small.
3. The color of the fabric is related to the UV protection function.
Under the same premise, the darker the fabric, the better the anti-ultraviolet function. In contrast, black, navy, and dark green are lighter than blue.
, Light pink, light yellow and other anti-ultraviolet functions are better.
4. The protective grade mark should be carefully observed before purchasing.
As long as the UPF (ultraviolet protection factor value) is greater than 30, the “Evaluation of Textile Anti-Ultraviolet Function” promulgated by the General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China
Moreover, when the transmittance of UVA (long-wave ultraviolet) is less than 5%, it can be called anti-ultraviolet product, and the protection grade specification is "UPF30";
When the UPF is greater than 50, it indicates that the product has an excellent UV protection function, and the protection grade is marked as "UPF50". When consumers buy
, You should carefully check the protective grade mark, and then choose an umbrella that suits you according to the sun exposure in the field.
5. Choose famous brand products.
Prevent general umbrellas from pretending to be anti-ultraviolet umbrellas.
6. Judging the anti-ultraviolet function according to the fabric nature of the umbrella surface.
Generally speaking, cotton, silk, nylon, viscose, etc. have poor UV protection, while polyester is better. Polyester-containing fabrics generally used for umbrellas
There are satin cloth, mac cloth, etc. In addition, satin weave is the best anti-ultraviolet function. Twill and plain weave are the next in order, the darker the color.
The better.
7. Look at the processing of the umbrella surface.
Sunscreen umbrellas can not protect against ultraviolet rays. The quality of the fabric is not the most important thing. What is important is what kind of technical treatment the manufacturer has done to the fabric.
reason. Ordinary cotton and hemp quality fabrics have a certain anti-ultraviolet function, but the level is not strong. The first two years of the market
Most of the sunscreen umbrellas on sale are coated with a layer of silver glue on the surface of the umbrella, such a treatment can bend and block a little direct ultraviolet rays. but
The material of silver glue is good or bad. The sunscreen umbrella silver glue produced by the manufacturer with good technical conditions is prohibited to fall off easily, and a few low-priced sunscreen umbrellas are for
To refill the number, it was only a silver coating on the umbrella surface, and the color faded after being exposed to the sun a few times.

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