Engineered with flawless curvature and extreme optical clarity, Sun Yin Crystal provides custom synthetic sapphire dome glass for luxury timepieces, optical instruments, and high-pressure protective enclosures. Manufactured from high-purity sapphire crystal, our dome lenses feature exceptional scratch resistance and structural integrity under demanding environments.
Key Specifications & Features:
- Optical Precision: High light transmittance with customized Anti-Reflective (AR) optical coating to eliminate distortion and inner reflections.
- Exceptional Hardness: Mohs Hardness 9 (second only to diamond), providing superior scratch and abrasion resistance.
- High Structural Strength: Compressive strength of 21,000 kg/cm², engineered to withstand high hydraulic pressure and mechanical impacts. - Thermal & Environmental Stability: High melting point (2030°C) with excellent resistance to thermal shock and chemical corrosion.
- Precision CNC Polishing: Micro-polished surface and precise bevel edges for flawless sealing and optical performance.
- Geometry Options: Single dome, double dome, high-dome, and custom spherical lens shapes available upon request.
Applications: Widely used in luxury watch crystal lenses (super dome watch glass), underwater camera housings, optical sensor covers, and aerospace inspection windows. Contact Sun Yin Crystal today to submit CAD drawings for prototype manufacturing or bulk production quotes.