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Name | Cheap Factory Custom Optical Square Sapphire Glass Window for watch |
Material | optical sapphire glass |
Surface Quality | usually 60/40 or OEM |
Dimension Tolerance | +/-0.05 to 0.1mm |
Radius | CNC cutting |
Hardness | 9H (1370kg mm-2) |
Chamfer | polished chamfer |
Thread frame | standard c-mount or OEM |
Adhesive tape | 3M tape as needed |
Young's modulus | 3.4 x 1011 N m-2 |
Thermal Limit | 22 W m-1 K-1 |
Sample | sample in stock(13/13.5/14/14.5/15/15.5/16/16.5/17/17.5/18/18/5/19/19.5/20/20.5/----35/35.5mm) |













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