hemp cloth texture itself has certain

2. Umbrella surface color. The fabric color and anti-ultraviolet performance are concerned. Under the same conditions, the darker the color of fabric anti-ultraviolet performance is better, in contrast, black, navy, dark green, shallow blue, shallow pink, yellow etc anti-ultraviolet performance is better. Consumers can according to the umbrella surface color judgment anti-ultraviolet performance.

3. Understand the umbrella cloth processing technology. Prevent bask in umbrella can prevent ultraviolet, the cloth texture, color is influencing factors, but more important is to see manufacturers of fabric made what kind of technical processing. General cotton, hemp cloth texture itself has certain anti-ultraviolet performance, but to what degree is not strong just.

Some sunscreen umbrella is in a layer of surface besmear umbrella silver glue, such processing can reflex and block some ultraviolet point-blank. But the silver glue quality good and bad technology with good condition manufacturer production to prevent bask in silver glue not easily fall off umbrella, and some cheap sunscreen umbrella to others, just give umbrella surface besmear a layer of silver, after a few times to sunlight came off color.