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PROPERTIES OF ALUMINIUM
Surface finishing using the anodising process
Our strength is particularly evident in the surface-finished version:
We offer anodising according to DIN 17611 for interior and exterior applications in the common anodising shades. Our standard coating thickness for interior applications is 10 - 12 µm. Please select the pre-treatment required for your application from Table 1. In table 2 you can find the standard anodised colours. Of course, we're also happy to supply you with special colours.
Table 1 - Surface finish according to DIN 17611 / possible pre-treatments
| DESCRIPTION | SURFACE APPEARANCE | APPLICATION | |
| E0 | Without pre-treatment, anodised and compacted | Drawing marks, scratches, grinding grooves or other surface defects remain visible | Subordinate surfaces that are not in the field of vision |
| E1 | Ground, anodised and compacted | Uniform, matt-looking surface, small drawing marks or scratches are eliminated | Decorative surfaces with clearly aligned structure |
| E2 | Brushed, anodised and compacted | Uniform, bright surface, drawing grooves, scratches, filing marks only partially removed | Matt-gloss surfaces with a delicate structure |
| E3 | Polished, anodised and compacted | Shiny surface, drawing marks, scratches, filing marks are only partially removed | Application preferably indoors, easy to clean, suitable for all colours |
| E6 | Chemically pre-treated, anodised and compacted | Matt, rough surface. Drawing grooves, scratches, file marks partially levelled. Material-related changes in surface appearance are not always avoidable. |
Inexpensive, suitable especially for dark - colourings |
Table 2 - Surface finish according to DIN 17611 / possible pre-treatments
| STANDARD PROCEDURE | COLOUR | LAYER THICKNESS | STANDARD |
| E6/C- 0 (EV1) | colourless, natural | 5 - 20 µm | EURAS standard |
| E6/C-31 | light bronze | 5 - 20 µm | EURAS standard |
| E6/C-32 (EV3) | light bronze | 5 - 20 µm | EURAS standard |
| E6/C-33 | medium bronze | 5 - 20 µm | EURAS standard |
| E6/C-34 | dark bronze | 5 - 20 µm | EURAS standard |
| E6/C-35 (EV6) | black | 5 - 20 µm | EURAS standard |
alpha metall GmbH
Rennweg 97
D-56626 Andernach
T +49 (0) 2632 98780-0
F +49 (0) 2632 98780-97
info@alphametall.com