Causes and maintenance of mildew in aluminum alloy products
Reasons for mildew in aluminum alloy products:
1. The environment in which aluminum alloy products are stored, temperature and humidity are suitable for mold growth;
2. The surface of the aluminum alloy product is mixed with super-sister material, which automatically absorbs moisture into the air to form a corrosive reaction of the primary battery, and creates an environment suitable for growth of mold;
3. Due to the corrosion reaction of the primary battery, the alkaline compound is precipitated on the surface, the temperature and humidity are suitable after deliquescence, and the mold grows rapidly;
4, the surface of aluminum alloy products, there are oil, plant fiber and other soil suitable for mold growth, once the humidity temperature is suitable, the mold grows rapidly.
Control method:
1. Refining slag-removing agent containing sodium or magnesium salt, refining agent using NaF component, or N2 gas refining;
2. Do not use the release agent containing plant fiber, do not use the machine-containing machine to process the cutting fluid, and replace the oil-based anti-rust cutting fluid;
3. The product cannot be stored in the open air for a long time, and the surface of the textile product is dusty;
4. The product packaging carton stacked on the fascia board should be wrapped with the wrapping film 6 to be waterproof. After the product is immersed in water, it needs to be placed in the air to blow dry.
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Tag: Aluminum alloy Cutting fluid Oil-based Mold Maintenance
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