BLUEO Sapphire PVD Steel Camera Ring ( For iPhone )

Material Composition: Generally synthetic sapphire made from fine alumina powder.

Formation Process: Created in high-temperature furnaces and involves numerous processing steps.

Chemical Formula: Aluminum trioxide (Al2O3).

Purity: Up to 99.99%.

Hardness: Rated 9 on the Mohs scale, second only to diamonds (10 Mohs).

Durability: Higher hardness compared to ordinary glass, making it less prone to scratching. Though Can Be Cracked

Thermal Conductivity: 11.6 W, which is 10 times higher than ordinary glass, allowing for quick heat dissipation.

"1.Real sapphire combined with a combination of alloy materials;
2.Same colour bezel as the original phone;
3.Mohs Hardness 9,Artificial sapphire with Mohs 9 hardness for greater scratch resistance;
4.Precise positioning;Complete tooling Self-laminating film positioner;
5.Ultra-clear light transmission, high definition imaging;
6.Waterproof protection,Precise fit and seamless coverage for complete protection;
7.Highly resistant to fingerprints,
8.EAG laboratory certified,99.9999% pure sapphire, excellent quality."