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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.

If you prioritize durability, practicality, and value, and your kitchen sees frequent daily use, then a stainless steel sink is a solid choice. If you seek visual quality, design aesthetics, and a personalized space, while also being willing to accept a certain level of maintenance, then a black sink will undoubtedly elevate your kitchen's overall style.

The answer lies not in a change in the material, but in the surface treatment. Black stainless steel sinks are created using methods such as PVD coating, nano-coating, or electrochemical oxidation to achieve a black or dark gray finish. This not only changes the color but also provides additional properties such as wear resistance, anti-fingerprint, and corrosion resistance.

Not all sink materials are suitable for flush-mount installation. While sink materials like stainless steel, quartz, and composite materials generally meet flush-mount installation requirements, more fragile materials like ceramic and copper sinks require extra care during installation to ensure they are not damaged by external forces.

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

Granite sinks are considered the pinnacle of high-end kitchen sinks. Granite is a hard and durable natural stone, often used in luxurious kitchen sinks. Granite sinks offer excellent scratch and stain resistance and are aesthetically pleasing.

According to industry standards and kitchen design experience, the minimum spacing between sinks should be 5 inches (approximately 12.7 cm). This ensures that when two sinks are used simultaneously, the sinks do not come into direct contact with each other, and that sufficient space is provided to meet basic kitchen needs.

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.