文化AV影院婷婷色,色婷婷|男人天堂成人AV|免费黄色网页大片|日韩无码av免费观看网站久久|国产无码不卡一区|国产一级无码精品黄片|久热久热久热A级不卡|嫩草影院无码超碰n|日本国产欧美婷婷成人激情|欧美性爱黄色电影

Light transmission:

The following table indicates the detailed value of light transmission. The clear sun sheet is featured in good light transmission, which will not lessen varying with service time. The chromatic sun sheet is able to obstruct from the strongest part of sunray and soften the permeated ray.

Ultraviolet Resistance:

The surface of Goodlife sun sheet is treated with special anti-ultrviolet technique to ensure the stability of ultraviolet resistance. The product can preserve its innate optical property and good weatherability after long-time service. No speedy aging can be generated by ultraviolet. As indicated in the following table, ultraviolet within 350-bicron wavelengths can hardly penetrate the sun sheet. As a result, Goodlife hollow profile is more applicable for advertising material other than the general building material.