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SYNTHETIC CORUNDUM (SAPPHIRE GLASS) |
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Click to enlarge image
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Product Features
Since it is made of synthetic corundum(99.99%
Alumina), it has excellent transparent and
anti-abrasion, futhermore it is hardly scra-
ched.
Therefore, it is mainly used for glass of high
quality watch.
Specifications
DIMENSION : Ø21 X 0.9,
Ø27 X 0.8MM
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