Due to its molecular structure, ETFE resin has low crystallinity and high light transmittance features. It is easy to process, often used to produce membrane materials. ETFE membrane can be used in agricultural greenhouse and architectural structure, including swimming pools, stadium and exhibition halls,etc.
Due to its molecular structure, ETFE resin has low crystallinity and high light transmittance features. It is easy to process, often used to produce membrane materials. ETFE membrane can be used in agricultural greenhouse and architectural structure, including swimming pools, stadium and exhibition halls,etc.
ETFE membrane, with high light transmittance (95%), lightweight (only 1% of the glass weight), and self-cleaning properties, has become a hallmark material of modern architecture.
The "Water Cube" of Beijing Olympic Games adopted a multi-layered ETFE air-cushion membrane structure to achieve natural lighting and energy-saving insulation.
The ETFE membrane outer layer of the Allianz Arena in Munich, Germany, can change color through lighting, combining functionality and aesthetics. Its weather resistance (lifespan of over 25 years) and recyclability (thermal remelting) also meet the requirements of green building.
Single-layer ETFE membranes: have a relatively simple appearance, resembling glass;
Double (multi)-layer air-cushion membranes: a three-dimensional bubble aesthetic and good thermal insulation.
| ITEM | UNIT | VALUE | TEST STANDARD | |
|---|---|---|---|---|
| Physical Properties |
Appearance | Translucent particle | ||
| Melting Index (MFR) | g/10min | 9.0-19 | ASTM D1238 | |
| Specific gravity | g/cm³ | 1.72-1.76 | ASTM D792 | |
| Melting Point | ℃ | 250-270 | ||
| Glass transition temperature | ℃ | 80 | ||
| Linear thermal expansion coefficient | 10-5/K | 11-14 | ASTM D696 | |
| Heat distortion temperature (181N) | ℃ | 63 | ASTM D7207 | |
| Thermal conductivity | W/(m・K） | 0.17 | ASTM C177 | |
| Flammability | V-0 | UL94V | ||
| Mechanical Properties |
Tensile strength | Mpa | 45 | ASTM D638 |
| Elongation | % | 380 | ASTM D638 | |
| Flexural strength | Mpa | 23 | ASTM D790 | |
| Flexural modulus | Mpa | 850 | ASTM D790 | |
| Compression modulus | Mpa | 700 | ASTM D695 | |
| Electrical Properties |
Dielectric constant | 2.5 | ASTM D150 103Hz | |
| 2.5 | ASTM D150 106Hz | |||
| Dielectric loss tangent | 0.0007 | ASTM D150 103Hz | ||
| 0.008 | ASTM D150 106 Hz |
Good melting fluidity, used to produce wire and cables, membrane structures, as well as injection moulding parts with complex structure.
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