Polished Sapphire Crystal Watch Glass Replacement With High Transmission
Sapphire Crystal Watch Glass Watch Replacement Polished Sapphire Crystal Lens
Sapphire Crystal Watch Glass Description:
Sapphire is the general name for corundum stones of all colors except the red ruby. Its main ingredient is alumina (AI2O3). Sapphire glass is a synthetic sapphire,Gem-grade sapphires can be easily and cheaply produced in the laboratory and have the same chemical composition and physical properties as natural gems.
Synthetic sapphire is transparent single crystal 99.99% pure Al2O3 that exhibits a unique combination of physical, chemical, electrical and optical sapphire waferis one of the hardest materials, is come from 99.999% Al2O3 single crystal,
and possesses very good transmission during the range ofvisible and near IR spectrum.
Production description:
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Chemical composition
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Al2O3
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Density
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3.98g
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bending strength
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320-930Pa
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Vickrs hardness
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1800-2200
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optical transmission
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>90%
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melting point
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2050℃
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Mohs hardness
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9(Next only to diamonds:10)
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Bevel
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0.1-0.5mm
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Coating
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upon customer request
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Material
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Sapphire
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Shape
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Round, square, rectangle; flat, dome, curve, bridge ,pot Cover shape, etc.
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Size
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Customized according to customers requirement
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Q: Do you provide samples ? is it free or extra ?
A: Yes, but it's a precision product that requires extra cost and freight.
Q: How can I customize my products?
A: Attach your drawings with details (Surface treatment, material, quantity and special requirements etc).
Q: How did you test the product before they are packed?
A: We have strict QC procedure, each product will be tested by three times even more with professional machine before packing.

Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.