What membrane materials are commonly used in membrane structure buildings?


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What membrane materials are commonly used in membrane structure buildings? Many people may not be familiar with membrane structure architecture, and they lack some understanding of membrane structure materials

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Membrane material is a kind of membrane material with high strength and good flexibility

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The membrane material is light, flexible, durable, fireproof, good transparency and not easy to be polluted

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The commonly used membrane materials are PVDF, PTFE, ETFE, etc., which are used in modern membrane structure construction

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They are woven from high-strength fibers, which are divided into polyester fiber and glass fiber, and then coated with resin coating on both sides of the substrate

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The resins used in the coating are PVC, silicone and polytetrafluoroethylene copolymer resins

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The film is the thinnest and most transparent without fiber as the base material

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The characteristics of three different membrane materials are as follows: the characteristics of PVC membrane materials: the strength and fire resistance of PVC membrane materials have some differences compared with PTFE membrane materials, but the price is much lower than PTFE membrane materials, and the service life of PVC membrane materials is generally 7 to 15 years, which is the most widely used membrane structure materials at present

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Characteristics of PTFE membrane: 1

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High strength, good durability, good fire resistance, strong self-cleaning, and not affected by ultraviolet light

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2

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It has high transparency, and the light passing through the membrane material is natural light, without shadow and glare

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3

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The reflectivity of solar energy is high, so the amount of heat absorption is small

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Even in the summer sunlight, the film structure in the shed will not be affected too much

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Characteristics of ETFE membrane: 1

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Wear resistance, high temperature resistance, corrosion resistance, insulation, high safety material, thin and light membrane

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2

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Good durability: climate adaptation: – 200 ~ 150 ℃, more than 15 years of harsh climate, mechanical and optical functions unchanged

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3

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High tensile strength: elongation at break is more than 300%

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High safety: good flame retardant, shrinkage after melting, but no dripping

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Excellent self-cleaning function, dust, stains can be washed away with rain

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