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.
UV-Cut OCA OpticPB™ 693 Series, designed for full lamination of outdoor touch displays and bonding of outdoor optical components.
Outdoor Touch Display Full Lamination — OpticPB™ 69310 (250 µm)
Outdoor Optical Component Bonding — OpticPB™ 6934 (100 µm)
Typical Properties
| Item | Unit | OPBTM-6934 | OPBTM-69310 |
|---|---|---|---|
| Thickness | µm | 100 | 250 |
| Thickness(TT) | % | 90.4 | 90.2 |
| Color(L*, a*, b*) | - | 96.0, -0.8, 1.5 | 96.0, -0.8, 1.5 |
| Haze | % | 0.1 | 0.3 |
| Yellowness Index(YI) | - | 2.0 | 2.0 |
| Storage Modulus(G') | kPa | 90 | 90 |
| Peeling Force | Kgf/inch | 1.6 | 2.5 |
Reliability Properties
Full-Spectrum Xenon Aging Performance
Optical Test Specimen Structure: Glass 0.7mm / OCA / Glass 0.7mm
Appearance Test Specimen Structure: Glass 0.7mm / OCA / Polarizer 0.1mm / Glass 0.7mm
Test Equipment : Q-Lab Q-sun XE-3 Xenon Test Chamber
| Aging Condition | Optical Changea | Appearanceb |
|---|---|---|
| 95˚C, 1000h |
Δ Haze < 1, Δ YI < 1 |
no bubbles, |
| -40˚C, 1000h | ||
| 85˚C/85%RH, 1000h | ||
| -40~85˚C, 1000 Cycles | ||
|
aOptical test specimen: Glass/OCA/Glass, size 4×4 cm²：Glass/OCA/Glass，尺寸 4×4 cm² |
||
| Test Condition/Time | Cycles | Judgement |
|---|---|---|
| Irradiance: 0.99(m2/nm)@420nm, BST: 100±3oC, Chamber: 65±3oC , < 30% RH (16hr) Irradiance: -W/m2, BST: 20±3oC, Chamber: 20±3oC, > 55% RH (8hr) |
Dry 15 Cycles | Optical change: Δb* < 1, ΔHaze < 1 Appearance PASS, no bubbles, no delamination |
| Irradiance: 0.99(m2/nm)@420nm, BST: 100±3oC, Chamber: 65±3oC , > 50% RH (12hr) Irradiance: -W/m2, BST: 20±3oC, Chamber: 20±3oC, dew accepted(12hr) |
Wet 10 Cycles | |
|
MIL-STD-810G |
56 Cycles | Optical change: Δb* < 1, ΔHaze < 1 Appearance PASS, no bubbles, no delamination |
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