We offer You a copper-based highly selective absorber of new generation for use in flat solar collectors. The special metal-ceramic coating of absorber allows to achieve significant durability, heat resistance of the product (295°C) and highly efficient conversion of solar energy into heat.
Highly selective absorber for solar collectors
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Characteristics
| Material | SF-copper |
| Hardness of material | R240 (EN 1652) |
| Tensile strength | ≥ 240 N/mm2 |
| Solar energy absorption | α = 95 % |
| Thermal radiation | ε = 5 % |
| Tensile capacity | ≥ 180 N/mm2 |
| Demolition capacity | ≥ 8% |
| Thickness | 0,12mm – 0,25mm |
| Error margin | ± 0,03mm |
| Average of depth roughness | ≤ 0,2µm |