The solution to a problem in chemical pre-treatment during anodising can also be simple sometimes. For example, the level of the bath can be significant for good or insufficient colouring, if we look at electrolytic colouring with tin salts. Ideally, the electrolytic tin dye bath (e.g. Alficolor 677) produces homogeneous ...
The best pretreatment is ineffective if the rinsing technique is inadequate. Often the process baths are elaborately maintained and analysed, while the equally important rinsing baths are neglected. Therefore, during chemical pretreatment, the attention should always be paid to the condition of the rinses between the process baths and, in ...
In the direct current (DC) sulphuric acid anodisation process, an artificial oxide layer is created on the treated aluminium. This layer has special characteristics. One of these is its porosity. The porosity of the layer enables, for example, the incorporation of coloured pigments and is thus an important criterion for ...
For the decorative matting of aluminium surfaces in the anodizing process, alkaline pickling processes are predominantly used in Europe. These special etching bathes are applied in accordance with the DIN 17611 standard for “E6” surface treatment. Such etching bathes are also referred to “E6 etching bathes “. With correct bath ...
Sustainability is a big, relevant topic that concerns many people. It is not only about our own sustainable actions, but also about the design of sustainable industry. This therefore also applies to the aluminium industry. Because many things in everyday life depend massively on aluminium. Aluminium is already making a ...
A significant advantage of powder-coated aluminium surfaces is that, compared to anodised components in the architectural sector, a great many colour variations are possible. This is certainly one of the reasons why initial efforts were made in this area as early as the end of the 1960s. Just think of ...
A small aluminium pyramid about 22 cm high was mounted on the Washington Monument in the USA as early as 1884 as an aesthetic lightning rod. It is hard to believe that at that time aluminium, which was still rare, was more expensive than silver. This aluminium spike is also ...
As before, events in presence are hardly practicable. However, this did not stop us from offering a second seminar online on 28 April 2021. In spite of limited communication possibilities, we were able to exchange information with our international sales partners and inform them about important and interesting topics. The ...