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How many types of parasols are there? What material is it made of?
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There are parasols for women . There are two types of umbrellas and parasols for men, made of cotton, silk, nylon, polyester, viscose, etc.
The colors of women's parasols are mainly pink, purple, ice green, light blue, flowers and other light tones, while men's parasols focus on business style , including black, navy blue, dark green, dark red, etc.
Generally speaking, parasols made of cotton, silk, nylon, viscose, etc. have poor UV protection performance, while polyester provides better protection. Polyester-containing fabrics commonly used to make umbrellas include satin, Mccloth, etc. Additionally, satin fabric provides the best UV protection performance, followed by sergé and plain weave. The darker the color, the better.
Detailed information
Whether a sun protection umbrella can protect against ultraviolet rays, the texture of the fabric is not the most important thing. The manufacturer has applied the technical treatment to the fabric. Generally, cotton and linen fabrics have certain UV protection properties, but the degree is not high.
Most of the sunscreen umbrellas sold on the market in the past two years were covered with a layer of silver glue on the surface of the umbrella. This treatment can reflect and block some direct ultraviolet rays. However, the quality of silver glue varies. The silver glue of sunscreen umbrellas produced by manufacturers under good technical conditions is not easy to fall off, while some cheap sunscreen umbrellas simply apply a layer of silver son the surface of the umbrella in order to compensate. After being exposed to the sun several times, it lost its color.
When the surface of the umbrella is wet, due to the optical conductivity of water, the transmission of ultraviolet rays increases and the protective effect decreases. Wet umbrellas are therefore not suitable for UV protection.
Baidu-ZheParasol Encyclopedia