Do you know the uses of spherical aluminum powder? With the advancement of the materials industry, non-ferrous metals have become one of the indispensable materials in our daily lives, and non-ferrous metal powders have also found extensive applications—among them, aluminum powder is particularly common. So, are you familiar with the applications of spherical aluminum powder? We believe this is a question that confuses many customers. Let’s have Xuyang’s editor provide you with a detailed explanation!
Do you know the uses of spherical aluminum powder? According to what I've learned, aluminum powder, also known as aluminum silver powder or silver powder, gets its name primarily from its silvery-white metallic luster. Aluminum is a highly reactive metal; however, when exposed to dry air, it instantly forms a dense oxide film about 50 micrometers thick on its surface, effectively preventing further oxidation. So, what exactly are the applications of spherical aluminum powder?
It is understood that spherical aluminum powder has numerous applications in both production and daily life. Typically, aluminum powder boasts a relatively high melting point, making it commonly used in refractory materials. By incorporating aluminum powder, the fire resistance of these materials can be significantly enhanced, while also boosting their density and hardness—and even altering other physical properties. Moreover, when used in refractories, aluminum powder helps to expel gases trapped within the material, thereby preventing cracking or bursting that might occur during sudden temperature increases.
Spherical aluminum powder is commonly used in fingerprint identification and the production of fireworks. Beyond these applications, its uses also extend to powder coatings, inks, plastic color masterbatches, printing, imitation gold paper, imitation gold cards, gold films, textiles, and more. However, since water-based paints and acidic or alkaline paints can cause the aluminum powder to oxidize and turn black during use, it is not recommended for applications requiring resistance to acids, alkalis, or exposure to rainwater. Meanwhile, spherical aluminum powder finds extensive applications across industries such as metallurgy, metal pigments, and chemical manufacturing.
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