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Optically Clear Adhesive OCA
  • Non-birefringent when removed from carrier film.
  • Long term durability without yellowing, delaminating, or degrading.
  • High cohesive and peel strength for reliably bonding most transparent substrates.


    • Application:
  • Projection screens.
  • Transparent graphic overlays.
  • Optical management films for LCD panel displays.
  • Touch screens; for bonding film and glass laminates.
  • Aerospace or military displays.
  • Lens assembly.


    • Series: CB700


    Structure:
      Hard Liner PET Film (50μm ~ 100μm)
      Adhesive OCA
      Soft Liner PET Film (50μm ~ 75μm)



    Grade No. Total Peel strength Transmission Haze Color
    Thickness (μm) (g/25mm) to Glass (%) (%) L* / a* / b*
    CB710A 100 2100 92.98 0.3 97.21 / 0.00 / 0.13
    CB712A 125 2200 92.98 0.3 97.21 / 0.00 / 0.14
    CB717A 175 2500 92.99 0.3 97.22 / 0.00 / 0.14
    CB720A 200 2700 92.90 0.3 97.19 / 0.01 / 0.16
    CB725A 250 2900 92.90 0.3 97.19 / 0.00/ 0.16
    Temperature +60℃ /Humidity 95% R.H. 300 hours


    Grade No. Total Peel strength Transmission Haze Color
    Thickness (μm) (g/25mm) to Glass (%) (%) L* / a* / b*
    CB705B 50 1300 92.90 0.3 97.18 / 0.01 / 0.12
    CB710B 100 1600 92.89 0.3 97.18 / 0.00 / 0.13
    CB715B 150 1800 92.91 0.3 97.18 / 0.01 / 0.15
    CB717B 175 2000 92.89 0.3 97.18 / 0.01 / 0.16
    CB720B 200 2200 92.88 0.3 97.18 / 0.01 / 0.17
    CB725B 250 2500 92.84 0.3 97.19 / 0.01 / 0.19
    CB730B 300 2700 92.80 0.3 97.14 / 0.01/ 0.21
    Temperature +60℃ /Humidity 95% R.H. 300 hours


    Grade No. Total Peel strength Transmission Haze Color
    Thickness (μm) (g/25mm) to Glass (%) (%) L* / a* / b*
    CB702C 25 1000 92.93 0.3 97.20 / 0.01 / 0.10
    CB705C 50 1400 92.92 0.3 97.19 / 0.01 / 0.12
    CB707C 75 1550 92.90 0.3 97.18 / 0.01 / 0.12
    CB710C 100 1750 92.87 0.3 97.17 / 0.01 / 0.12
    CB712C 125 1900 92.83 0.3 97.15 / 0.01 / 0.13
    CB715C 150 1950 92.73 0.3 97.15 / 0.01 / 0.13
    CB717C 175 2050 92.77 0.3 97.13 / 0.01 / 0.15
    CB720C 200 2200 92.71 0.3 97.11 / 0.02 / 0.19
    CB725C 250 2250 92.71 0.3 97.11 / 0.02 / 0.19
    Temperature +85℃ /Humidity 85% R.H. 300 hours


    Series: CB7xxA (Rigid to flexible film, Large size LCM direct bonding)
    Hardness 1.16Γ—106Pa (Young's module) , 16 ~ 17 (Asker E)
  • High initial tack
  • MURA occur control
  • Excellent ink gap cover
  • Very low modulus of elasticity


    • Series: CB7xxB (Rigid to flexible film, Large size LCM direct bonding)
    Hardness 1.29Γ—106Pa (Young's module) , 19 (Asker E)
  • Acid-free type
  • High initial tack
  • MURA occur control
  • Excellent ink gap cover
  • Low modulus of elasticity


    • Series: CB7xxC(Rigid to flexible film)
    Hardness 3.98Γ—106Pa (Young's module) , 26 (Asker E)
  • Acid-free type
  • Outstanding environment of quality
  • Easy to process involving die-cutting work


    • OCA Gap Cover Test
    Series: CB7xxA
    Glass to Glass
    Autoclave (Condition 60℃, 0.55Mpa X 30min)
    Thickness (μm) 175 200 250
    Height
    of
    BM
    Gap
    		10 β—Ž β—Ž β—Ž
    20 β—Ž β—Ž β—Ž
    30 β—Ž β—Ž β—Ž
    40 β—Ž β—Ž β—Ž



    OCA Gap Cover Test
    Series: CB7xxB
    Glass to Glass
    Autoclave (Condition 60℃, 0.55Mpa X 30min)
    Thickness (μm) 175 200 250 300
    Height
    of
    BM
    Gap
    		10 β—Ž β—Ž β—Ž β—Ž
    20 β—Ž β—Ž β—Ž β—Ž
    30 β—Ž β—Ž β—Ž β—Ž
    40 β—Ž β—Ž β—Ž β—Ž



    OCA Gap Cover Test
    Series: CB7xxC
    Glass to Film
    Autoclave (Condition 60℃, 0.55Mpa X 30min)
    Thickness (μm) 125 150 175 200 250
    Height
    of
    BM
    Gap
    		10 β—Ž β—Ž β—Ž β—Ž β—Ž
    20 β—Ž β—Ž β—Ž β—Ž β—Ž
    30 β—Ž β—Ž β—Ž β—Ž β—Ž
    40 β—Ž β—Ž β—Ž β—Ž β—Ž
     
     
     
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