Choose branded umbrella products. Beware of ordinary um […]
Choose branded umbrella products. Beware of ordinary umbrellas and fake anti-UV umbrellas.
The UV protection performance is judged based on the fabric properties of the umbrella surface. In general, cotton, silk, nylon, viscose, etc. have poor UV protection properties, while polyester is preferred. Polyester fabrics commonly used for umbrellas are satin cloth, mcbike, and the like. In addition, the anti-UV performance is best in satin fabric, followed by twill and plain, and the deeper the color, the better.
Look at the umbrella surface processing. Sun protection umbrellas can not prevent ultraviolet rays, fabric texture is not the most important, the main manufacturer is what kind of technical treatment of the fabric. Generally, cotton and linen fabrics have certain UV protection properties, but the degree is not strong. Most of the sunscreen umbrellas sold in the market in the past two years were coated with a layer of silver glue on the umbrella surface. This treatment can reflect and block some direct ultraviolet rays. However, the quality of silver glue is good or bad. The sunscreen umbrella silver glue produced by the manufacturers with good technical conditions is not easy to fall off, and some cheap sun protection umbrellas are used for the purpose of filling the umbrella surface, only after applying a few times of sunlight. It was lost.