Titanium anodizing is a surface treatment that uses electricity and an electrolyte solution to grow a controlled oxide layer on the metal. This oxide layer is transparent and its thickness determines the color that appears. As voltage increases the layer becomes thicker and light waves interfere differently producing vivid colors across the spectrum. What makes anodized titanium unique is that the color is not a coating or pigment. The metal itself remains silver beneath the surface while the ox

What Is Titanium? The World's Strongest Metal and How It's Used in Industry