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Aug., 2009
JELCON DS-4N
INTRODUCTIONS
JELCON DS-4N is transparent UVcurable ink which forms thick ink film of dot spacer on transparent switch panels. DS-4N is highly viscous and thixotropic.
APPLICATIONS
Untreated polyester film
CHARACTERISTICS
- Excellent adhesion to untreated polyester.
- Flexible.
- Skin irritation is low. Safe to handle.
- Stable on the screen. Good printability.
HOW TO USE
- Mesh recommended: Stainless 120 meshes
- The thickness of the ink film : 60 - 80 microns
- Standard curing conditions :
Metal halide lamp 120 W/cm², one lamp, Distance from focus : 10 cm
Conveyor speed : 6 m/min (Integral light : approx.500 mJ/cm²)
Cooling : water cooling
VISCOSITY
650 ± 100 dPa.s (Viscotester VT-04 25 degrees C)
PRECAUTIONS
- Adhesion will change depending on the type/thickness of the polyester. Pre-test is essential.
- Please refer to the literature "UV INK" for the general precautions of UV ink.
- Storage stability :
Store the ink in a cool and dark place avoiding direct sunshine. Stir occasionally to keep stability when the ink is stored for a long time. - Please refer to MSDS before use.
PROPERTIES
DS-4N is printed on polyester film (Toray Lumiler T-125) and cured with above mentioned conditions.
| TEST ITEMS | TEST METHODS | RESULTS |
|---|---|---|
| Adhesion | Cross-hatch, tape-peeling | 100/100 Pass |
| Heat resistance | 70 degreesC x 240hours | No change in appearance No peeling-off |
| Coldness resistance | -30 degreesC x 240hours | No change in appearance No peeling-off |
| Humidity resistance | 60 degreesC x 95%RH x 240hrs | No change in appearance No peeling-off |
| Heat-coldness-cycle resistance |
-30 degreesC x 2hours + 60 degreesC x 2hours 1 hour each for rise/fall of the temperature 20 cycles |
No change in appearance No peeling-off |
Information given here is gained from our laboratory testing, and no firm guarantee is implied.
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