Products

Optically Clear Adhesives

693 Series

Our Acrylic Series Optical Clear Adhesive features UV-blocking capabilities, making it ideal for bonding optical components in outdoor touch displays. This adhesive provides superior UV blocking range compared to standard commercial products, significantly reducing sunlight penetration into the display. This effectively mitigates the degradation of optical components caused by sunlight exposure.

Specification

  • Typical Properties
Item Unit OPBTM-6934
Thickness um 100
Total Transmittance(TT) % 90.2
Hue(L*, a*, b*) - 96.0, -0.8, 1.3
Release Film(Haze) % 0.1
Yellowness Index(YI) - 1.6
Storage Modulus(G') kPa 90
Adhesion Force Kgf/inch 1.2

 

  • Reliability Properties
Reliability Condition Optical Propertiesa Appearanceb
95˚C, 1000h Δ Haze < 1
Δ YI < 1
T% > 90%
Δ b* < 1
No Bubble
No Delamination
-40˚C, 1000h
85˚C/85%RH, 1000h
-40~85˚C, 1000cycles
aStructure of Test Specimen Glass/OCA 100um/Glass,尺寸4x4 cm2
bAppearance of Test Specimen Glass/OCA/Polarizer/Glass,尺寸10x10 cm2

Structure

Application

Suitable for bonding applications of optical components such as e-books or composite boards.

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