What material is the ETFE membrane structure air pillow made of? From the name, it can be seen that the membrane structure air pillow is composed of ETFE material. So what is ETFE? Today, let’s take a look.

The Chinese name of ETFE is ethylene tetrafluoroethylene copolymer. The thickness of ETFE film is usually less than 0.20mm, making it a transparent film material. The Water Cube venue will use this membrane material, which has a very unique and beautiful appearance.

ETFE membrane is a high-quality alternative material in transparent building structures, and has been proven to be a reliable and economical roof material in many projects for many years due to its numerous advantages. This film is made of artificial high-strength fluoropolymer, with a unique anti adhesion surface that makes it highly stain resistant and easy to clean. Usually, rainwater can remove the main dirt.

ETFE membrane has a service life of at least 25-35 years and is an ideal material for permanent multi-layer movable roof structures. This membrane material is often used for two-layer or three-layer inflatable support structures with a span of 4 meters, and can also be increased according to the geometric and climatic conditions of special engineering projects. The length of the membrane is based on ease of installation, generally ranging from 15 to 30 meters. Small span single-layer structures can also be used in smaller sizes.

The ETFE film meets the B1 and DIN4102 fire rating standards and will not drip during combustion. And the film has a very light weight, only 0.15-0.35 kilograms per square meter. This characteristic gives it considerable advantages even in the case of membrane melting caused by smoke and fire.

So ETFE membrane is an extremely popular membrane in membrane structure, but the technical difficulty is relatively high. At present, the ETFE membrane structure air pillow materials in China mainly rely on imports, so the prices are generally much higher than other membrane materials

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