Outdoor fabrics not only need to be waterproof and mold resistant, hydrolysis resistant, sweat resistant, acid alkali salt resistant, but also need to be UV resistant and aging resistant, and can be used normally in extremely harsh environments such as -60 ℃ to 190 ℃. The Basten series of functional fabrics not only meet the basic outdoor requirements, but also have non-toxic, harmless, extremely low VOC, health and safety requirements