Mechanical Properties of ETFE
| Test | Value | Test Method |
|---|---|---|
| Tensile Strength | 50 MPa | DIN EN ISO 527-1 |
| Tensile Stress at 10% Strain | 21 MPa | DIN EN ISO 527-1 |
| Tensile Strain at Break | 600% | DIN EN ISO 527-1 |
| Tear Resistance | 500 N/mm | DIN 53 363 |
| Opacity | 7.5% | DIN 53 363 |
| Density | 1.75 gr/cm3 |
ETFE Properties per thickness
| Foil | Method | Unit | Transparent Grade | ||||
| 100 | 150 | 200 | 250 | 300 | |||
| Thickness | DIN-53370 ISO-459 | μm | 100 | 150 | 200 | 250 | 300 |
| Tensile Strength | daN/5cm | 9.50 | 14.25 | 19.00 | 23.75 | 28.50 | |
| Elastic Modulus | T/m | 9.00 | 13.50 | 18.00 | 22.50 | 27.00 | |
| Unit Weight | gr/sqm | 175.00 | 262.50 | 350.00 | 437.50 | 525.00 | |
| Tear Strength | N | 30 | 45 | 60 | 75 | 90 | |
| Light Transmission | % | 91 | 91 | 90 | 89 | 88 | |
| Visible Light Reflection | % | 6 | 6 | 7 | 8 | 9 | |
| Visible light transmission | % | 94 | 93 | 92 | 91 | 89 | |
| Solar Reflection | % | 5 | 6 | 6 | 7 | 7 | |
| Solar Transmission | % | 95 | 94 | 93 | 93 | 91 | |
| UV Reflection | % | 10 | 12 | 15 | 18 | 20 | |
| UV Transmission | % | 90 | 88 | 85 | 82 | 78 | |
| U Value | W/(m2K) | 6.6 | 6.5 | 6.4 | 6.3 | 6.2 | |
| G value (SHGC) | 0.95 | 0.94 | 0.94 | 0.93 | 0.91 | ||
| SC (Shading Coefficient) | 1.08 | 1.07 | 1.06 | 1.06 | 1.04 |
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