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Anti blue light tempered glass protector

No white edge, smooth feel, smooth exhaust, accurate hole position, high aluminum glass, tempered for 4 hours, plasma spraying or electroplating fingerprint oil can protect the eyes (prevent the blue light generated by the bright screen of the mobile phone from damaging the eyes)
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  • Glass material
    Medium aluminum glass；High alumina glass；ASAHI GLASS
  • Glass thickness
    0.33mm
  • AB glue thickness
    0.12-0.28mm
  • Tempering time
    4H
  • Light transmittance
    ≥93%
  • Fingerprint oil process
    plasma spraying；electroplate
  • Water drop angle before grinding
    112°；115°
  • Water drop angle after 5000 times of electroplatin
    106°
  • Drop ball test
    64g steel ball-80 cm；64g steel ball-120 cm；64g steel ball-150 cm
  • Blank holder test
    8kg；20kg；30kg

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