Reasons for Mildew in Aluminum Alloy Products:
Mildew formation on aluminum alloy products can be attributed to several factors. First, the storage environment plays a crucial role. If the temperature and humidity levels are high, they create an ideal condition for mold growth. Second, the presence of foreign materials such as salts or impurities on the surface of the aluminum alloy can lead to moisture absorption from the air. This results in a galvanic corrosion reaction, which not only degrades the material but also creates a moist environment conducive to mold development.
Third, during the corrosion process, alkaline compounds may precipitate on the surface. When these compounds absorb moisture, they become highly suitable for mold growth, accelerating the spread of mildew. Lastly, residues like oils, plant fibers, or other organic contaminants on the aluminum surface can serve as nutrients for mold. Under favorable temperature and humidity conditions, these contaminants promote rapid mold proliferation.
Control Methods:
To prevent mildew on aluminum alloy products, several effective measures can be taken. First, use refining agents that contain sodium or magnesium salts, or opt for NaF-based refining agents or nitrogen gas treatment to reduce impurities. Second, avoid using release agents that contain plant fibers or cutting fluids with organic components. Instead, choose oil-based anti-corrosion cutting fluids to minimize contamination risks.
Third, ensure that the products are not left outdoors for extended periods. Dust accumulation on the surface can also contribute to mold growth, so regular cleaning is recommended. Fourth, when packaging, wrap the product cartons with plastic film to protect them from moisture. If the product gets wet, it should be dried thoroughly in a well-ventilated area before storage.
Stay alert and keep your products safe
Tags: Aluminum alloy products
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