a Strong and Anti-Reflective Sapphire Glass Optical Lens Used in Watchmaking

a Strong and Anti-Reflective Sapphire Glass Optical Lens Used in Watchmaking. Extreme Hardness: Mohs Hardness of 9, second only to diamond, ensuring superior scratch resistance. Customizable Options: Supports full customization including shape, size, coating, and design from samples. Chemical Resistance: Excellent stability, insoluble in water and resistant to strong acids and bases. Multi-Industry Use: Ideal for medical, optical, aerospace, semiconductor, and consumer electronics. Precision Quality: High-precision parallelism and flatness with 100% finished product inspection. RoHS & ISO Certified: Compliant with RoHS and ISO9001 standards for quality and environmental safety.