This Best silane agent powder treatment technology for aluminum metal is simple, non-toxic and non-polluting. After silane treatment, the metal matrix and the organic silicon are combined in the form of ─Me─O─Si─ covalent bonds, and the surface of the substrate is passivated. It not only has excellent anti-corrosion properties, but also has good adhesion to commonly used organic coatings. performance.
This Best silane agent powder has a wide range of applications: This product is mainly used as a protective agent for concrete materials such as stations, airports, docks, bridges, and tunnels.
Aluminum alloy has been widely used in various sectors of the national economy and the national defense industry due to its excellent physical and chemical properties. It is currently one of the most used non-ferrous metals in the world. However, the oxide film formed under natural conditions is very thin. Poor corrosion resistance is prone to pitting corrosion, intergranular corrosion, stress corrosion cracking and spalling corrosion. Therefore, before use, generally aluminum materials need to be treated with anti-corrosion coating on their surfaces. The traditional treatment method is to coat the aluminum surface with a layer of organic compounds to enhance the corrosion resistance of the aluminum material.
Metal surface silanization treatment technology is an environmentally friendly treatment technology that has been rapidly developed in the field of metal corrosion protection in recent years and is expected to replace chromate. This technology is mainly based on the characteristics that the silane hydroxyl groups generated after the hydrolysis of silane molecules can react with the metal oxides on the metal surface and the characteristics that the silane molecules can condense themselves to form an inorganic/organic film layer. It is deposited on the metal through immersion or electrochemical-assisted deposition. A film layer with hydrophobic properties is prepared on the surface. This film not only protects the metal substrate, but also improves the adhesion between the metal and the coating.
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