Sapphire glass have excellent mechanical strength and hardness. With sapphire having superb thermal and chemical resistance and being scratch resistant, sapphire is a perfect choice for watch application.

• Sapphire crystal glass
• With anti-impact and anti-scratch features.
• With high electrical resistance.
• With high corrosion resistance. 
• Features a high melting temperature of 2030 °C.
• With a high hardness of 9 Mohs, which is second to diamond.
• Special cut
• Laser cut
• High quality & craftsmanship
• Available custom design & drawing
• Available any coating & metallization
• Vicker hardness: 2000 - 2500 daN / mm2
• Tensile strength: 26 daN / mm2
• Flexural strength: 35 - 39 daN / mm2
• Welcome inquiry for any drawing & details