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듀폰 바텍 UV 접착제 DuPontTM Vertak |
제품명 |
DBA2420 |
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적용분야 |
AR Glass to LCD Bonding, Touch Panel to LCD ,, Acrylic to LCD Bonding Vacuum Bonding |
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TEST METHOD |
TYPICAL PROPERTY |
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PHYSICAL PROPERTIES (UNCURED) |
Appearance |
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Clear |
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Flash Point |
Closed Cup |
>93.3 ºC ( >200 ºF) |
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Brookfield Viscosity |
6 RPM (Spindle# 27)* or, 20 RPM (Spindle# 31)# |
1800 - 2300 cP @25C* |
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Color |
APHA |
70 maximum |
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Density (g/cc) |
Uncured Adhesive at 25 ºC |
0.997 |
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PHYSICAL PROPERTIES (CURED) |
Modulus of Elasticity (psi) |
ASTM D638 |
8.4 |
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Tensile Strength (psi) |
ASTM D638 |
19.5 |
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Shear Strength (psi) |
ASTM D3983 |
10.7 |
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Shear Modulus (psi) |
ASTM D3983 |
4.0 |
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Hardness |
ASTM D2240 |
<20 Shore OO |
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Density (g/cc) |
Cured Adhesive @ 25 ºC |
1.029 |
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Shrinkage (%) |
Cured Adhesive @ 25 ºC |
3.22 |
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THERMAL PROPERTIES (CURED) |
Coefficient of Thermal Expansion: CTE below Tg |
ASTM E831 |
α = 519 μm / (m·ºC) at -45 ºC to -10 ºC |
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Coefficient of Thermal Expansion: CTE above Tg |
ASTM E831 |
α = 682 μm / (m·ºC) at 45 ºC to 100 ºC |
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Tg (oC) |
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-19 |
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Cp |
J/g-K -10 ºC to 100 ºC, 2 cycles |
1.99 |
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ELECTRICAL PROPERTIES (CURED |
Dielectric Constant |
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Frequency Dk |
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200 KHz |
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2.51 |
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400 KHz |
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2.47 |
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600 KHz |
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2.41 |
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800 KHz |
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2.40 |
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1 MHz |
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2.38 |
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OPTICAL PROPERTIES |
Refractive Index Cured |
@ 589.3 nm |
1.46 |
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Refractive Index Uncured |
@ 589.3 nm |
1.46 |
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% Transmittance (average 380-780nm) |
corrected for glass reflection loss |
>99.4% |
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% Transmittance (550nm) |
corrected for glass reflection loss |
>99.5% |
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% Haze |
corrected for glass reflection loss |
<0.5% |
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Color |
L* |
99.84 |
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a* |
-0.09 |
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b* |
0.07 |
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CURING |
Lamp Irradiance / Lamp Energy |
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UVA: 6.5 to 7.0 J/cm2 at ~3 W/cm2 |
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Lamp Type / Wavelength Working Range |
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Fusion "D" bulb UV lamp with wavelength range of 320 to 420 nm. |
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Room Lighting Constraints |
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Lighting protection below 420 nm is required. |
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HANDLING |
Storage |
In original container. Protect from light. |
Between 15 ºC & 30 ºC |
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Shelf Life |
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6 months |
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Safety & Handling |
@ 25 ºC in closed container. |
Refer to product MSDS |
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