Sapphire Watch Dial
Mohs Hardness 9 ISO9001 Brown 20-50mm Sapphire Watch Dial
Price: 4-10 USD/pcs
MOQ: 200
Delivery Time: 30days
Why Choose sapphire crystal? Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α-Al2O3) with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium. Sapphire Windows are manufactured from single crystal sapphire, making them ideal for demanding applications (such as laser systems) because of their extreme surface hardness, high thermal