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For certain applications, aluminum extrusions require no more protection than its oxide film. If additional surface protection is desired, Otalum can assist. Our knowledge of alloys, properties and end-use enables us to help you match the correct finish to your project.
There is a variety of surface finish you can apply to your extruded profiles depending on the end-use of extrusions. Some of these surface treatments improve color, hardness, surface appearance and wear resistance.
Following are the most common-used surface finishes of aluminium extrusions in Otalum.