Usage Scenarios
UV-Cut + Gas Dissipative OCA, OpticPB™ 28C Series, designed for bonding of outdoor e-paper displays.
Outdoor E-paper Touch Display Front Light Bonding — OpticPB™ 28C10 (250 µm)
OPBTM 28C Series
UV-Cut OCA for Outdoor Applications
The OPB™ 28C Series Optically Clear Adhesive (OCA) features excellent breathability with a higher moisture vapor transmission rate compared to standard commercial products. The adhesive layer also provides UV-blocking functionality with a broader UV-blocking range than conventional products, significantly reducing ultraviolet penetration into the display and preventing degradation of optical components caused by sunlight.
It is particularly suitable for front light bonding of outdoor e-paper displays. The series has passed Solar Test verification, ensuring improved reliability of outdoor displays.
Structure
Typical Properties
| Item | Unit | OPBTM-28C10 |
|---|---|---|
| Thickness | µm | 250 |
| Thickness(TT) | % | 90.4 |
| Color(L*, a*, b*) | - | 96.3, -0.6, 1.1 |
| Haze | % | 0.2 |
| Yellowness Index(YI) | - | 1.7 |
| Storage Modulus(G') | kPa | 88 |
| Peeling Force | Kgf/inch | 1.5 |
Reliability Properties
Full-Spectrum Xenon Aging Performance
Optical Test Specimen Structure: PC composite sheet 1.0 mm / OCA 0.5 mm / Glass 0.7 mm
Appearance Test Specimen Structure: PC composite sheet 1.0 mm / OCA 0.5 mm / Polarizer 0.1 mm / Glass 0.7 mm
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，Size 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 |
Pack Sizes
- 100um x 1200mm x 200m/roll
- 250um x 1200mm x 200m/roll
- Customized slitting sizes available
