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Anodizing Agent, it plays a crucial role in the Aluminium Anodizing Process. In this process, the alkaline etching step, for which LW-02 serves as an aluminum etchant, is a key phase in the surface treatment of building aluminum profiles.
The primary purpose of alkaline etching is to eliminate the natural oxide film on the surface of the aluminum material and activate the surface for anodic oxidation. However, improper control of the alkali etching solution can lead to issues such as uneven alkali etching quality. If the amount of additives is insufficient or the wrong additives are used, the bath liquid may produce a significant amount of precipitation and form scale, which needs to be removed. This is where LW-02 shines. By using LW-02 Alkaline Etching Additive, the formation of scale can be avoided, and the aluminium dissolution can reach over 120g/L. This additive, acting as a Basic Etching Agent, not only improves the surface quality of the aluminium profile but also reduces the aluminum loss and the consumption of alkali, making it an eco-friendly option.
In addition to its role in the anodizing process, LW-02 can also be related to the functions of an aluminum cleaner and an aluminum brightener. By effectively removing the oxide film and other impurities, it helps to clean the aluminum surface, and the improved surface quality can contribute to a brighter appearance of the aluminum profile.
After the anodizing process is completed, when it comes to Cleaning Anodized Aluminum, the quality of the surface achieved through the alkaline etching step with LW-02 can have a positive impact. A clean and properly etched surface before anodizing makes the anodized layer adhere better and is less likely to have contaminants that could complicate the cleaning of anodized aluminum.
The solution maintenance of LW-02 Alkaline Etching Additive is also important. Analyzing the concentration of free alkali and aluminum ion daily is necessary. For a new make-up bath, it is recommended that the concentration of free alkali be 40g/L, and the alkali concentration and solution temperature should be gradually increased as the aluminum ion concentration rises. LW-02 and alkali should be added in the ratio of 1/10 - 1/6. Usually, the color of the solution is dark-gray, and if it turns light-grey, indicating a lack of alkali or LW-02, replenishment should be done promptly. When the etching solution is not in use, increasing the concentration of sodium hydroxide (NaOH) and LW-02 Solid Matte Alkaline Etching Additive can help prevent precipitations. Overall, LW-02, as an Anodizing Agent, aluminum etchant, and having aspects related to an aluminum cleaner and brightener, is essential for the successful Aluminium Anodizing Process and the subsequent cleaning of anodized aluminum.
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Main Product:
aluminum cleaner,
aluminum brightener,
neutralizing agent ,
passivation agent,
aluminum paint stripper,
aluminum etchant
