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Specification: Made according to customer’s requirement
Product introduction: Sapphire material is now used in the cover glass of camera for high-end mobile phones. The properties of sapphire have been made full use to increase the protection of camera and highlight the hardness characteristic of sapphire.
Main technical parameters:
2.Spectral characteristic: Optical coating specification 420～680nm,average light transmittance≥98%，minimum light transmittance≥95%；
3.Pencil hardness≥9H；
4.Rub resistance: Steel wool testing (0000#，1kgf load，40cycle/min，40mm) 2000 circulations,2500 reciprocating. After rub, Angle of water droplets AF≥100°；
5.Moh's hardness: inspected by Moh’s hardness pencil ≥9.
