Sapphire square

Sapphire square is generally used to make watches mirror. They are anti-wear materials of tungsten titanium alloy and high-tech ceramics.

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Although these materials have wear resistance, they cannot withstand strong impact. At the same time, some of the same hardness or higher materials (such as: grindstone, sandpaper, nail file, granite surface, concrete walls and floors, etc.) may scratch the surface of these materials.

Sapphire is the general name for corundum gemstones of other colors than red ruby. The main component is alumina (A12O3). Its chemical composition and physical properties are the same as natural sapphire.

The product nameprojectlargeThe trumpetH
Sapphire cubeSize range2.00~180.002.00~180.000.10~50.00
Limit deviation0.03~0.100.03~0.10±0.02

Sapphire Square

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