Sapphire Polishing vs Glass Polishing: What’s the Difference?

The main difference between sapphire polishing and glass polishing is that sapphire is much harder, more wear-resistant, and more anisotropic than optical glass, so it usually requires more aggressive abrasives, longer processing time, tighter heat control, and more careful surface damage management. Glass polishing is generally faster and more chemically responsive, while sapphire polishing is […]