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On anodised, electrolytically black-coloured and hot-sealed aluminum we see deposits – what could that be? After hot sealing, deposits are often visible on anodised and coloured surfaces, which are then quickly classified as so-called ” sealing smut”. However, if closer inspection reveals that all sealing conditions were in order, the search for the possible defect

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In one of the last editions of ipcm, the management of Alufinish was interviewed about the company’s 50th anniversary. 50 years full of international partnerships, trust and exciting projects. For this reason, Stephan Zegers and Dr. Nils Monreal now looked back on the last years of the company’s history in an interview with ipcm. In

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For a shiny and brilliant-looking aluminium surface, mechanical polishing of the raw material is often carried out prior to the actual chemical pretreatment process in the anodising plant. This mechanical polishing is then usually done by using special, solid polishing pastes which are applied to the polishing wheel for this purpose. These pastes usually contain

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Obituary Mr. Jürgen Lutter We deeply mourn the loss of our former managing director Mr. Jürgen Lutter Together with his business partner, the former manager ran the business of our company until his retirement in 2013. Thanks to his open, approachable manner, his invaluable experience and his great expertise, he was highly regarded by customers

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To further advance sustainability in the aluminium industry, it is important to understand where the energy for the production comes from. Here, the difference between the production of primary aluminium and the extraction of secondary aluminium through recycling is significant. But how is aluminium extracted in the first place? Primary aluminium is extracted from the

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In addition to pure organic colours, salts based on ferrioxalates are usually used for gold colouring in anodising operations. For decades, these salts have enabled intensive and durable gold colouring, which is often used for the design of facades in the architectural sector. Until now, powdered colouring products based on ferrioxalates had to be pre-dissolved

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