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After processing aluminum or aluminum alloys into hardware parts, proper cleaning is essential to maintain the integrity and appearance of the final product. The cleaning agent used must not damage the surface, cause oxidation, or lead to discoloration. Additionally, aluminum is highly prone to oxidation during storage, so it's crucial to protect the material after cleaning. Based on the properties of aluminum components, a neutral aluminum cleaner is often the best choice.
So, what exactly is the cleaning process for aluminum products? The selection of the right cleaning agent plays a vital role in ensuring the quality of the finished product. While acidic and alkaline cleaners are commonly used, they each have their own advantages and drawbacks.
Acid-based cleaners are widely used in the industry. They work by reacting with the aluminum surface, which can effectively remove impurities and create a clean, white or gray finish. However, this method may also dissolve burrs and alter the surface texture. It’s suitable for parts that will undergo further processes like dusting or coloring.
On the other hand, alkaline cleaners come in two forms: strong and weak bases. Strong alkaline solutions can leave a yellow or black residue on the surface, making them less popular. Weak alkaline cleaners are more commonly used because they are gentler and less likely to cause rapid discoloration. However, some users report issues such as yellowing or white spots during storage, which can be a side effect of using these types of cleaners.
Neutral aluminum cleaners, as the name suggests, do not chemically react with aluminum. This means they won’t cause oxidation or discoloration. Instead, they physically remove oils and contaminants from the surface while offering additional anti-oxidation protection. This makes them ideal for preserving the appearance of aluminum parts during storage and handling.
Choosing the right cleaning agent depends on the specific requirements and characteristics of the processed parts. By comparing the three types—acidic, alkaline, and neutral—you can make an informed decision that ensures both quality and long-term stability. Whether you're working with raw materials or finished products, selecting the appropriate cleaner is key to achieving the desired results.
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Editor: Hardware Business Network Information Center