Sapphire is a hard oxide crystal that boasts excellent optical, physical and chemical properties. Its Mohs hardness is as high as 9, second only to diamond, and it has excellent chemical stability, with no absorption peaks in the 0.3-5.5μm spectral range. Consequently, it is suitable for use as a new type of substrate and window material for ultraviolet and infrared optical equipment. The wide variety of applications of custom sapphire glass components is due to their high hardness, scratch resistance, chemical corrosion resistance and excellent optical transparency. The following are some common applications of sapphire parts.

Watch crystals: Sapphire has been used in high-end watch crystals for a long time due to its scratch-resistant and durable properties. In comparison with standard mineral glass, sapphire watch crystals are highly resistant to daily wear and tear, retaining their transparency over an extended period. They are less susceptible to ageing, thereby extending the service life and enhancing the aesthetic appeal of the watches.

Optical element: Sapphire, with its high refractive index, wide spectral transmittance and excellent mechanical strength, is widely used in optical devices such as lenses, prisms, infrared windows and photoelectric sensor windows.

Consumer electronic: Sapphire is a highly versatile material in the consumer electronics sector. It is used in a variety of applications, including camera lens covers, protective plates for fingerprint recognition modules and protective covers for high-end touch screens. Its scratch resistance significantly surpasses that of tempered glass, ensuring effective protection of the internal precision components and enhancing the endurance and prestige of the product.

Industrial window: Industrial machinery frequently needs operating in high-temperature, high-pressure, corrosive gas or liquid environments, and standard glass is not suitable for this. Sapphire windows are renowned for their high-temperature resistance, high-pressure resistance, and chemical corrosion resistance, making them highly suited in observation windows in reaction vessels, sight glasses in petrochemical equipment, and observation windows in high-temperature furnaces.

Aerospace components: The aerospace industry has extremely high requirements for the lightweight, strength and environmental adaptability of materials. Sapphire glass is a highly durable material that is often used in critical components such as satellite optical windows and spacecraft external sensor protective covers. This is due to its high hardness, thermal shock resistance, radiation resistance and good optical transmittance.

Medical apparatus: Sapphire is renowned for its excellent biocompatibility, corrosion resistance and wear resistance, and can withstand high-temperature and high-pressure sterilization. It is used in the wear-resistant components of endoscope lenses, surgical microscope windows and various precision surgical instruments, helping doctors achieve more accurate and safer operations.

High-pressure transducer: Sapphire single crystals possess extremely high compressive strength and chemical stability. Therefore, sapphire is widely used in fields such as oil and gas exploration, deep-sea exploration, and high-pressure hydraulic systems.

The above list details the common applications of sapphire glass. In addition to its general industrial applications, it is also suitable for high-tech industries such as semiconductors, optoelectronics, high-energy physics research, and ultra-high vacuum equipment. Customized sapphire components are ideal for applications where high strength, durability and optical transparency are essential.