φ20_25mm Sapphire Glass Plates - 2000°C Heat Resistant, Mohs 9 Hardness, Laser/Optical Use

Product Name: Custom Sapphire Glass Plates (Synthetic Sapphire/Al₂O₃)

Key Features

• Super Hardness: Mohs 9 hardness (second only to diamond), extreme scratch resistance.

• Thermal Stability: Melting point 2040℃, boiling point 3000℃, operational range -200℃~1800℃.

• Broad Optical Transmission: 185nm~5000nm (UV to far-IR), refractive index 1.76-1.77.

• Chemical Inertness: Resists acids/alkalis, density 3.98 g/cm³, fracture strength 780 MPa.

• Custom Processing: Diameter 3-200mm, thickness 0.2-30mm (±0.05mm tolerance), grind/polish/bevel/drilling.

Technical Specifications

Applications

• Laser & Optics: Laser windows, IR lenses, spectrometer optics (high transmission + thermal stability).

• Industrial Sensors: High-temperature viewports, pressure sensor covers (impact-resistant).

• Aerospace: Detector windows, submersible viewports (explosion-proof + multi-spectral).

• Semiconductor & Medical: Wafer substrates, endoscope lenses (bio-inert + ultra-flat).