9H Transparent 0.5-200mm Domed Sapphire Lens Protector

Price Negotiable

Price: Negotiable

MOQ: 200

Delivery Time: 30days

Brand: Unbranded

Product Description

9H Transparent Domed Crystal Sapphire Lens Protector for Smartwear

Properties of Sapphire Glass:A synthetic sapphire crystal or “glass” is actually not glass at all. It is a very hard, transparent material made of crystallizing pure aluminum oxide at very high temperatures. Synthetic sapphire has the same hardness as natural sapphire gemstones, but without the colouring agents that give the gems their various hues. When it is heated, the synthetic sapphire forms round masses, that are then sliced into pieces with diamond-coated saws. These disks are then ground and polished into watch crystals. (One reason sapphire crystals are relatively expensive is that the tools required to cut and polish this extremely hard material are very costly.) Sapphire (whether natural or synthetic) is one of the hardest substances on earth.

Production description:

Chemical composition	Al2O3
Density	3.98g
bending strength	320-930Pa
Vickrs hardness	1800-2200
optical transmission	>90%
melting point	2050℃

Chemical Formula:	Al2O3
Optical Index Of Refraction:	No:1.768/ Ne:1.760 589.3nm
Compressive Strength:	300,000 PSI
Flexural Strength :	100,000 PSI

Optical crystals are used as view ports to protect other components within an optical assembly, instrument, or laser. In certain applications, optical crystals are required to withstand harsh environmental conditions and provide high levels of performance and reliability. Sapphire crystal has several unique properties that make it the ideal material for these applications.