What are the characteristics of umbrella fabrics?

Update:18 Jun
The characteristics and price of umbrella fabrics are basically polyester and nylon, and there may also be polypropylene. They are all chemical fiber fabrics. Among chemical fiber fabrics, acrylic is the most light-resistant, followed by polyester, and then nylon. Nylon is commonly known as nylon. , High temperature resistance, polyester can withstand high temperatures of 200 degrees, if you want to make an umbrella, then the polyester is good, and the fabric is coated with heat insulation and silver coating, which can prevent radiation and ultraviolet rays.
Price: Nylon is the most expensive, followed by polyester, (Oxford spinning is also made of polyester), polyester yarn is used for small umbrellas, and Oxford spinning is used for large umbrellas.
Which umbrella fabric is better? Is it VUA? Or UVB?
Umbrella cloth: silver glue pearl cloth/pearl glue color Dingjin polyester interwoven color product grid impact cloth color changing flash cloth
First: The color-changing flashing cloth hits the cloth, nylon and polyester interweaving
Second: Pearlescent cloth/pearl glue color grid
Third: Silver glue
VUA: Generally, the number of plus signs indicates that there are three levels of +++, the more + the better 1
UVB: UVB depends on the number behind SPF. The higher the number, the better, generally SPF5, SPF10, SPF15, the higher the better.
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