Brief introduction of Sapphire Crystal Watches
by HongRong L. ceramicslifeSapphire crystal watches is artificially compressed
synthesis of a crystal mirror, it has the advantage of high-density, less prone
to scratches. Hardness of sapphire crystal watches mirror only to diamond
hardness, hardness of 2200-2300 domain's (steel hardness sevenfold), Mohs
hardness 9, with good hardness, luminous flux, small friction, high
temperature, than the crystal glass mirror and synthetic glass mirror has a
higher wear resistance. But it also has shortcomings, is not shockproof, not
bump, weight, etc. Chongshuai inappropriate operations. Watch out when you hit
the ground or, sapphire prone to cracking.
1.Sapphire crystal watches mirror
Sapphire crystal hand mirror surface composition
Now watch sapphire mirror mounted above are actually removes aluminum oxide and
titanium oxide and other impurities, say from the chemical, synthetic and
natural sapphire crystal is no different. Because there is no add other
elements, it is colorless and transparent is no "blue" color.
Aluminum oxide made from pure alumina raw synthetic sapphire at high
temperatures, and then cut into wafers Diamond Tools, and then call the watch
crystal table mirror ground. Consumption of high cost of processing tools, this
is a high table mirror sapphire crystal watches one of the reasons the cost.
Synthetic sapphire technology in the 19th century invention of the 1960s had
already started to use on the watch, and now the top watch brands are generally
used sapphire crystal watches table mirror.
2.Sapphire crystal watches mirror
advantages
Sapphire is very hard, it will not be scratched, is the top Crystal watches
inevitable choice. Whether natural or synthetic sapphire sapphire, are one of
the hardest substances on earth, Ta Mok's hardness of 9 in nature in addition
to diamonds, it is no harder than things. Note that this does not say is that
in nature, does not mean that the Earth did not. Some man-made silicon-carbon
compound hardness can also reach 9, can scratch sapphire. Many buildings,
silicon-carbon compound is used in the decoration materials, such as artificial
stone, etc., so in these places if friction is likely to leave scratches on the
sapphire table mirror.
3.Sapphire crystal watches mirror
disadvantage
And glass, as it is relatively brittle, easily broken. Therefore, sapphire
crystal once shattered, then maintenance costs arising therefrom will be very
expensive because watchmakers before replacing Crystal watches lenses, must be
carefully examined to ensure that there was no movement left sapphire fine. In
addition, it is a powerful fingerprint collector, so regular cleaning to bright
trace.
4.Sapphire crystal watches mirror
maintenance
Sapphire crystal watches table mirror without much maintenance, frown
fingerprints with a soft cloth to wipe on the line. But pay attention to the
oil!
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Created on Dec 31st 1969 18:00. Viewed 0 times.