Model No.: 23423watch sapphire crystal maker
We making custom sapphire crystal
Sapphire crystal is a very hard material, with a hardness of 9 on the Mohs scale. This means that it is only scratched by a few other materials, such as diamond. Sapphire crystal is often used in watches because of its scratch resistance. It is also more scratch resistant than mineral crystal, which has a hardness of 7 on the Mohs scale.
Here are some of the benefits of using sapphire crystal in watches:
Scratch resistance: Sapphire crystal is very resistant to scratches, making it a good choice for watches that are exposed to everyday wear and tear.
Durability: Sapphire crystal is also very durable and can withstand impacts and shocks.
Clarity: Sapphire crystal is very clear and transparent, providing a good view of the watch face.
Longevity: Sapphire crystal is a very long-lasting material, and it can last for many years without showing signs of wear and tear.
If you are looking for a watch with a durable and scratch-resistant crystal, sapphire crystal is a good option. It is a bit more expensive than mineral crystal, but it is worth the investment if you want a watch that will last for many years.
Sapphire crystal is a type of synthetic crystal that is known for its exceptional hardness and scratch resistance. It is commonly used as a protective cover for watches, camera lenses, and other optical devices. Here are some specifications of sapphire crystal:
Material: Sapphire crystal is made from aluminum oxide (Al2O3) that is synthetically grown using a process called Verneuil method or flame fusion method. It is a crystalline form of corundum, which is one of the hardest known materials on Earth.
Hardness: Sapphire crystal is extremely hard and has a hardness of 9 on the Mohs scale, which is just below diamond, the hardest known natural material.
Transparency: Sapphire crystal is highly transparent in the visible light spectrum, allowing light to pass through with minimal distortion. It has a refractive index of around 1.76, which is higher than that of glass, resulting in better light transmission.
Scratch resistance: Sapphire crystal is highly scratch resistant, making it highly suitable for use as a protective cover for watches and other devices that are prone to scratches. It is nearly as hard as a diamond, which makes it highly resistant to everyday wear and tear.
Clarity: Sapphire crystal is known for its high optical clarity, with minimal birefringence and distortion. It is commonly used in high-end watches and luxury timepieces due to its premium appearance and excellent optical properties.
Impact resistance: Sapphire crystal is also known for its high impact resistance, which makes it durable and resistant to shattering or cracking upon impact.
Coating options: Sapphire crystal can be coated with anti-reflective (AR) coatings to reduce reflections and improve visibility in different lighting conditions. It can also be coated with various other coatings to enhance its performance, such as anti-smudge or anti-fingerprint coatings.
Thermal properties: Sapphire crystal has a high melting point of around 2040°C, making it resistant to high temperatures and thermal shocks.
Water resistance: Sapphire crystal is highly water resistant and is commonly used in dive watches and other water-resistant timepieces due to its excellent resistance to moisture and corrosion.
Overall, sapphire crystal is a premium material known for its exceptional hardness, scratch resistance, transparency, and impact resistance, making it a popular choice for high-end watches and other optical applications where durability and premium aesthetics are desired.
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