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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
|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
|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
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
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