THE SANDALOR®-PROCEDURE

The pre-treatment

With the Sandalor® procedure, anodised surfaces can be dyed a different colour. The colourful shades that are created in this way and are suitable for external use lead to very attractive metallic and colourful surfaces due to the retained original aluminium character, depending on the exposure to light. In accordance with your requirements, a mechanical pre-treatment can influence the surface finish.

E0 Degreasing and Deoxidisation
E1 Just Sanding
E2 Just Brushed
E3 Just Polished
E4 Sanding and Brushing
E5 Sanding and Polishing
E6 Chemical Pickling

This pre-treatment is suitable for components and surfaces with a technical function but no decorative requirements. As no material is stripped, the surface finish created during manufacture, including scratches, grooves, inclusions, etc., is retained.

Sanding largely removes any unevenness and surface defects, such as scratches and small grooves. The surface is characterised by a strong abrasive structure.

In comparison to sanding, brushing provides the surface with a somewhat lighter, glossier appearance. The brush strokes remain visible. Scratches, grooves, inclusions, etc. are not removed.

Polishing creates a glossy, bright surface. Surface defects, such as grooves, scratches, inclusions, etc. are not removed.

Sanding followed by brushing removes mechanical surface defects and creates a consistent, glossy surface. In comparison with E0 and E2 processing methods, grooves, scratches, inclusions, etc. are no longer visible.

Sanding followed by polishing gives the surface a smooth, even glossier appearance. In comparison with E0 and E2 pre-treatment methods, surface defects such as grooves, scratches, inclusions, etc. are removed.

Pickling - also known as chemical tarnishing - creates a very matt-finished aluminium surface. Surface defects, such as grooves, scratches, inclusions, etc. are evened out but not always completely removed.