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What Are Chromates and Where Are They Used?

Airplane propeller - What Are Chromates

Chromates, which are chemical salts derived from chromic acid, play a role in two distinct surface treatment processes: Chromating, where chromic acid or its salts create a chromate layer on a material’s surface. Chromium plating, where dissolved chromates (electrolytes containing …

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Overview: Deburring Metal

« Effective Methods at a Glance » Have you ever accidentally snagged yourself on an overhanging piece of metal? Sharp edges, splinters, or burrs on parts made from wood, plastic, or metal not only compromise aesthetics but can also lead …

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Pickling and Passivation

« What does it mean? » Pickling and passivation are chemical or electrochemical surface treatment processes that deliberately modify the properties of the material’s surface layers. These methods are commonly used in the pretreatment of metal workpieces to create corrosion …

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Metal Paint Stripping

« Steel and Non-Ferrous Metals: What Paint Stripping Options are Available? » High-gloss coatings are a pleasure to behold. However, their primary purpose is to protect painted items from corrosion and mechanical damage. When the paint is worn off, it …

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Effective Oil Separation

« What problems arise from insufficient oil-water separation? » Puddles shimmering with gasoline like a rainbow—what might seem intriguing can quickly become expensive. When oil and water are not properly separated, the mixture can enter the sewage system, and thereby …

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Cleaning Aluminum

« Removing Stains and Discolorations From Lightweight Metal » Aluminum is a non-precious metal, meaning it reacts readily with oxidizing agents. When exposed to air, aluminum quickly forms a dense layer of aluminum oxide on its surface. This layer prevents …

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Cold Forming of Metal

Cold forming is a metalworking process where materials are shaped under significant compressive or tensile forces  with or without minimal preheating. This distinguishes cold forming from hot forming, with the dividing line being the recrystallization temperature. Formation of Material Microstructure …

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Remove white rust and prevent it in the future

Steel is found in nearly every aspect of daily life—houses, bridges, tools, and machines. While  it is not a lightweight metal, steel is relatively easy to shape and provides tremendous structural strength. Pure steel, however, cannot be used directly as …

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Passive and Active Corrosion Protection

« Passive and Active Corrosion Protection – We explain the differences » Passiver und aktiver Korrosionsschutz umfasst alle technischen Maßnahmen, die dazu dienen, Werkstoffe vor der Zerstörung durch Umgebungseinflüsse zu schützen. Der Sauerstoff und die Feuchtigkeit in der Atmosphäre setzen …

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