1, light shielding material layer
In simple terms, the sun protection effect of the glue layer can be selected based on the following conclusions:
Vinyl> Color plastic> Silver plastic> No glue> Lace hollow cloth
Multilayer adhesive> Single layer glue> No glue layer
Dark (black, navy, red)> light color
UPF values generally from 0 to 50, for the sunscreen effect, of course, the higher the better. An UPF of 30 sunscreens, can reach 95% of the UV filter, which is the most basic standard of sunshade.
Umbrella fabrics commonly used in the market are: special cotton, PG cloth, polyester, color tape, mercerized cloth, pearl plastic, silver tape, nylon cloth. Among them, to meet the needs of sunscreen fabrics are: PG cloth, polyester, colored plastic, silver plastic, pearl plastic.