The tarpaulin of the landscape membrane structure is made of PVC, PVDF and PTFE polyester, and the film material is characterized by high strength, good durability, fire resistance and flame retardancy, good self - cleaning, no influence from ultraviolet rays, and long service life, usually 15 - 30 years. It has high light transmittance, 13 % light transmittance, 73 % reflection to heat energy and little heat absorption. It is precisely because of this epoch-making invention of membrane materials that the landscape membrane structure has become a modern permanent building. In addition to its incomparable practical, durable and rain-proof functions, the membrane-structured awning is a sculpture and an artwork that gives people a beautiful visual enjoyment. Its softness, its curve, its hardness and softness, its rich shape, its whiteness and flawlessness make people shine at the moment and enjoy a long aftertaste. The impact strength of building film is 250 - 300 times that of ordinary glass, 20 - 30 times that of acrylic plate, and 2 times that of toughened glass, with almost no risk of breaking, and has the reputation of " breaking glass" and " ringing steel".
