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—The answer is not fixed; it depends on the usage environment, cleaning habits, and material. Generally speaking, a light polish every three to six months is suitable for most households. Frequent use or harsh environments may require a shorter period, while regular maintenance can extend the period.

The chromium oxide passivation film on the surface of stainless steel is key to preventing rust. Once this protective film is damaged by mechanical scratches, improper cleaning, or chemical corrosion, the exposed metal substrate reacts with moisture and oxygen in the air, resulting in rust spots.

When a stainless steel kitchen sink appears dull, it doesn't necessarily mean the metal has rusted. In fact, dullness often indicates a loss of gloss due to damage to the surface's protective film or the accumulation of contaminants. Once the passive film is damaged, water stains, dirt, and chemicals can more easily adhere, making the surface appear gray or dull.

Advantages of press-formed stainless steel kitchen sinks: 1. High strength 2. Complex geometries 3. Reduced springback and defects 4. Customizable material properties 5. Improved corrosion resistance 6. Easy cleaning and maintenance 7. Energy-saving and environmentally friendly

If you cook large meals or frequently handle fruits and vegetables, a 10-inch deep stainless steel sink provides more space. When washing ingredients, especially those that need to be soaked, the deep sink design allows them to better contain the food without spilling outside the sink.

Although 304 stainless steel is highly heat-resistant, prolonged exposure to high temperatures can still cause surface oxidation. Especially when boiling water comes into contact with the surface of a stainless steel kitchen sink, the high temperatures can damage the protective coating on the sink's surface, accelerating the oxidation process.

304 stainless steel (18% chromium and 8% nickel) is a common, high-quality stainless steel material on the market, offering strong corrosion resistance and relatively good scratch resistance. However, some lower-quality stainless steel sinks may use 201 stainless steel or other lower-grade materials, which have lower hardness and scratch resistance and are therefore susceptible to scratches from hard objects.

Stainless steel sinks are highly resistant to stains. Because their smooth surface is less susceptible to the accumulation of bacteria, grease, and dirt, stainless steel sinks effectively reduce the adhesion of stains. This makes daily cleaning easier; simply wiping away oil and dirt removes surface stains.

Surface treatments for stainless steel sinks include: 1. Brushed Finish 2. Mirror Finish 3. Sandblasted Finish 4. Anodized Finish Brushed finish is one of the most common stainless steel surface treatments, particularly used on kitchen sinks.

Pour the cleaner on the surface of the stainless steel kitchen sink and gently wipe the sink with a soft cloth or sponge. Pay special attention to cleaning all corners of the sink, including the bottom and edge of the sink. For stubborn stains, you can spray the cleaner on the stains and let it sit for a few minutes before wiping, which will help soften and remove the stains.