Why use Sapphire Crystal Glass?

Different from tempered glass and polymeric materials, sapphire crystal glass not only has high mechanical strength, high temperature resistance, chemical corrosion resistance, and high transmittance at infrared, but also have excellent electrical conductivity, which helps to make the touch more sensitive.

High mechanical strength property:

One of the greatest properties of sapphire crystal is its high mechanical strength. It is one of the hardest minerals, secondly to diamond, and is very durable. It also has a low coefficient of friction. It means when makes contact with another object, the sapphire can slide easily without getting scratched or damaged.

High optical transparency property:

Sapphire glass has very high transparency. Not just in the visible light spectrum but also in the UV and IR light ranges (from 200 nm to 4000 nm).

Heat resistant property:

With a melting point of 2040 deg. C, sapphire crystal glass is also with great heat resistant. It is stable and can safely be used in high temperature processes up to 1800 deg. C. Its thermal conductivity is also 40 times higher than standard glass. It’s ability to dissipate heat is similar to the stainless steel.

Chemical resistant property:

Sapphire crystal glass also has good chemical resistant feature. It has good corrosion resistant and is not damaged by most bases or acids such as hydrochloric acid, sulfuric acid, or nitric acid, able to withstand long exposures to plasmas and excimer lamps. Electrically, it is a very strong insulator with good dielectric constant and an extremely low dielectric loss.

sapphire glass

Therefore, it is not only commonly used in high-end watches, mobile phone cameras, but also commonly used to replace other optical materials to make optical components, infrared optical windows, and is widely used in infrared and far-infrared military equipment, such as: used in night vision infrared and far-infrared sights, night vision cameras and other instruments and satellites, space technology instruments and meters, as well as high-power laser windows, various optical prisms, optical windows, UV and IR windows and lenses, The observation port of low-temperature experiment has been fully used in high-precision instruments and meters for navigation and aerospace.

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Post time: Apr-26-2024

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