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3780 is a single component, UV light curable sealant for LCD
end-sealing applications.
TYPICAL PROPERTIES OF UNCURED MATERIAL
Viscosity @ 25 °C, mPa∙s (cP):
Brookfield - RVT Spindle 5, speed 20 rpm 11,000
Haake , PK, 2o , Constant shear @ 36 s
-1 11,000
TYPICAL UV IRRADIATION
Light Source and Condition
High pressure mercury UV lamp
UV Wavelength, nm 365
Light Intensity, mW/cm2 100
Exposure Time, seconds 20
Tack Free Time @ 220 to 260 nm wavelength, seconds 8
Depth of cure , mm 1.9
3780 can be cured by irradiation with ultraviolet of sufficient intensity.
To obtain full cure on surfaces exposed to air, the intensity of UV
radiation at 220 to 260 nm will accelerate the tack free cure of surface.
The cure rate and ultimate depth of cure will depend on light intensity,
the spectral distribution of the light source, the exposure time and the
light transmittance of the substrates.
UV intensity quoted are measured using USHIO UIT-101 UV meter
Storage
Store in original, tightly covered containers in clean, dry areas.
Storage information may be indicated on the product container
labeling. Usable shelf life may vary depending on method of
application and storage conditions
Optimal Storage : 10 to 27 °C 3780是用于LCD的单组分UV光固化密封剂
端密封应用。
固化材料的典型特性
25℃下的粘度，mPa•s（cP）：
Brookfield - RVT Spindle 5，转速20 rpm 11,000
Haake，PK，2o，恒定剪切36 s
-1 11,000
典型的紫外线辐射
光源和条件
高压汞紫外灯
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