HIGH QUALITY OPTICAL COATING TECHNOLOGY

HIGH QUALITY OPTICAL COATING TECHNOLOGY

HIGH QUALITY OPTICAL COATING TECHNOLOGY

HIGH QUALITY OPTICAL COATING TECHNOLOGY

DLC Coating

DLC Material Property

Property Diamond DLC Graphite
Density(g/cm3) 3.51 1.8~3.6 2.26
Hardness(kgf/mm2) 10,000 2,000~8,000 500
Coefficient of
Friction
0.05 0.03~0.2 0.1
Refractive Index 2.42 1.8~2.6 2.15~1.8
Light
Transparency
UV~IR VIS~IR Opaque
Resistance(W cm) >1016 1010~1013 0.2~0.4

Durability TEST Method

  • Adhesion : MIL-C-48497A 4.5.3.1 / Tape TEST
  • Humidity : MIL-C-48797A 4.5.3.2 / 24hrs. 49℃, 95~100%, relative humidity
  • Abrasion : TS 1888 / 10,000 wipes with windscreen wiper in water/sand slurry
  • Salt Spray : MIL-C-675C 4.5.9 / 24hrs, salt spray fog exposure
  • Salt Solution : MIL-C-48497A 4.5.5.2 / 24hrs, immersion in salt water