eta plus® CU
eta plus® achieves a very high solar absorption of up to 96% – combined with a very low thermal emissivity of just 4%.
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Solar
Technical specifications
Supply form
| Coil, strip, sheet, blanks | ||
| Metal Thickness | [mm] | 0,12 - 0,25 |
| Width up to | [mm] | 1250,00 in thickness 0,20 |
| [mm] | 1105,00 in thickness 0,12 and 0,25 |
Optical Values
| Colour value a* | [-] | +4 up to +11 |
|---|---|---|
| Colour value b* | [-] | -25 up to -16 |
Mechanical Properties
| Elongation at break A50 | [%] | ≥ 8 |
|---|
Tolerances
| Metal Thickness | [mm] | 0,12 - 0,25 ± 0,02 |
|---|---|---|
| max Width/Coil | [mm] | + 3,00 / - 0,00 |
| Width Slit Coil | [mm] | ± 0,20 standard |
| Length | [mm] | 0 - 600 + 1,00 / - 0,00 |
| [mm] | 601 - 1500 + 1,50 / - 0,00 | |
| [mm] | 1501 - 2500 + 2,50 / - 0,00 | |
| [mm] | 2501 - 3500 + 3,50 / - 0,00 | |
| Flatness | [%] | 2 % of wavelength |
| Transversal Divergency | [mm] | ≤ 1,5 (D1-D2) |
| other tolerances on request |
Protective Film
| Protective Film Type | [-] | PE - Film |
|---|---|---|
| Protective Film Thickness | [µm] | 50 - 60 |