teflon Membrane structure parking shed It refers to the vehicle shed made of membrane structural materials as the ceiling material. It is a spatial structure form formed by a variety of high-strength membrane materials and stiffeners (steel frames, steel columns or steel cables) that generate a certain pre tension stress inside, form a certain spatial shape through a certain way, serve as a covering structure, and can withstand a certain external load. The membrane material is characterized by high strength, good durability, flame retardancy, self-cleaning, free from ultraviolet radiation, and long service life 15-30 years. It has high transmissivity, 13% transmissivity, 73% reflectivity, and low heat absorption. Therefore, more and more people will choose PTFE membrane structure as the starting choice. The picture below shows the polytetrafluoroethylene film structure parking shed, which is not only of good quality, but also beautiful.
（ 1) The special feature of PTFE membrane material is that PTFE has high strength and medium strength, the film thickness is only 0.8mm, but its tensile strength has reached the level of steel; Low elastic modulus is conducive to the formation of complex curved surface of membrane materials;
（ 2) It can be used in the temperature range of - 70 ℃~230 ℃;
(3) With unique optical performance, the incident light in the daytime becomes natural temperature light, preventing glare, no shadow, uniform light distribution, almost no ultraviolet penetration, and preventing fading of indoor decoration materials and equipment; High reflective performance at night makes the room have a good lighting effect, reduces power consumption, and sets off the brilliance of buildings in the sky at night;
(4) Good self-cleaning, rainwater can wash away surface attachments;
（5） High light transmittance, 13% light transmittance, 73% thermal reflectance, low heat absorption; (6) The service life is more than 25 years.
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