A detailed interpretation of ETFE membrane materials

Detailed Properties and Advantages

Excellent Light Transmittance: Light transmittance reaches 90-95%, with selective ultraviolet light transmission, providing unparalleled visual clarity.

Extremely Lightweight: Weight per unit area is only 1% of that of glass of the same area, requiring minimal supporting structure and significantly saving steel.

Excellent Durability: Extremely weather-resistant, UV-resistant, chemically resistant, with a wide operating temperature range (-200°C to 150°C), and a service life of over 25 years.

Self-Cleaning: Very smooth surface, highly hydrophobic (low coefficient of friction), rainwater can wash away most dirt.

Mechanical Properties: High tensile strength, with an elongation of over 400%, excellent toughness, and superior tear and impact resistance.

Environmentally Friendly: Can be prefabricated into rolls, welded on-site, generating minimal construction waste; and is recyclable.

Core Application Form: Air Cushion Structure

This is the most classic and revolutionary application of ETFE, perfectly leveraging all its advantages:

Structural Principle: 2-5 layers of ETFE film are welded at their edges to form one or more closed "air cushions," which are then maintained at a constant internal pressure (typically 250-750 Pa) through an inflation system.

Advantages of Air Cushion Structures:

Superior Thermal Insulation: The multi-layered air gap forms an effective insulation layer, with insulation performance far superior to single-layer glass or films.

High Structural Rigidity: The internal air pressure keeps the film taut, capable of withstanding significant wind and snow loads.

Flexible Design: Can be made into various three-dimensional curved surfaces to achieve complex architectural shapes.

Intelligent and Controllable: The air pressure within the air cushion can be adjusted to adapt to different loads; patterns can even be printed between double-layered air cushions, or the shading rate can be adjusted to achieve dynamic shading.