JET-144: Inkjet Compatible Low RI Optical Material
JET-144 is a low viscosity low refractive index UV curable coating suitable for inkjet applications.
Surface tension and viscosity are compatible with some widely used piezoelectric DOD print heads.
The index is 1.435 at 1550 nm.
Properties
| Liquid state | |
| RI liquid at 589 nm | 1.419 |
| Density, g/cm3 | 1.22 |
| Viscosity, cps @ 25°C | 13 |
| Surface tension, dyne/cm | 26.7 |
| color | Clear, slightly yellowish |
| Cured state | |
| RI cured at 589 nm | 1.443 |
| RI cured at 1550 nm, estimated | 1.435 |
| Minimum Curing Energy (mercury lamp) | 1-2 J/cm2 |
| Density, g/cm3 | 1.29 |
| Adhesion to glass | Good |
| Surface cure | Good (non tacky) |
| Mechanical appearance | Flexible coating |
| Lowest boiling point component/ % in formulation | 200⁰C/ 8% |
The product is supplied pre-filtered to below 1-micron particles.
Storage
- Avoid unnecessary exposure to ambient light.
- The shelf life is 12 months in sealed bottles.
Application
Curing can be achieved by any source of UV at 300-400nm under inert conditions. A dose of 500-1000 mJ/cm2 is necessary. Although an inert atmosphere is preferred, curing in the air is also suitable.
Keep the bottle closed at all times when not in use. The material is sensitive to moisture. Absorption of moisture may cause haze.
Safety: Refer to the SDS
Note: The above information is believed to be reliable, but it is not to be taken as a representation, warranty, or guarantee. Customers should perform their own QC, QA, and evaluation tests.
Updated: June 18, 2020
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