UV LED curing systems
How to optimize the performance of your UV LED curable systems
UV LED curing technology key drivers
- Very high productivity and durability
- Recommended for heat-sensitive substrates
- Cure of complex shapes
- HSE benefits
Recommended applications
- Flexible packaging
- Wood coatings
- Commercial print
- Indirect food contact applications
- Industrial and electronic coatings
A panel of solutions for superior performance
To go with the very fast development of UV LED curable coatings and inks, we have gathered for you our best recommendations to optimize performance
| Properties | Products | Viscosity (Pa.s @25°C) | F* | EUPIA | Swiss ordinance Annex 10 2016 | Nestlé August 2016 | IKEA |
|
Hardness |
SR833S | 0,13 | 2 | C | C | C | C |
| CN2208 | 8 | 4 | C | NC | C | C | |
|
Chemical resistance |
SR355 | 0,7 | 4 | C | C | C | C |
| SR399 | 14 | 6 | C | C | C | NC | |
|
Low yellowing |
CN9210 | 2 @60°C | 6 | C | C | C but PETA presence |
NC |
| CN9215 | 1,2 @60°C | 6 | C | C | C but PETA presence |
C | |
| Adhesion | CN2560 | 3 | 4 | C | C | C | C |
| CN2565 | 0,23 | 2 | C | C | C | C | |
| PRO22019 | 2,2 @50°C | 4 | C | C | C | C | |
| SR341 | 0,006 | 2 | C | C | C | C | |
| Flexibility | CN2303EU | 0,35 | 6 | C | C | C | C |
| CN3755 | 1,3 | 2 | C | C | C but HDDA presence |
C | |
| CN550 | 2,8 | 3 | C | C | C | C | |
| CN991 | 10 | 2 | C | C | C | NC | |
| PRO21398 | 12 @60°C | 4 | C | C | C but TMPTA presence |
C | |
| Pigment wetting | CN113D70 | 5,1 @50°C | 3 | C | C | C | C |
| CN2566Y | 1,6 | 3 | C | C | C | C | |
| CN2555 | 9 | 4 | C | C | C | C |
F* = functionality
EA = epoxy acrylate
PA = polyester acrylate
UA = urethane acrylate
C = conform
NC = not conform
Performance results
Flexible binders performance benchmark
| Formulation | wt% |
| Flexible binder** |
x |
| SR341 | 74,5 - x |
| Speedcure* TPO-L | 2,5 |
| Speedcure* DETX | 3 |
*by Lambson
**Adjusted compositions to the same viscosity level
LED lamp Phoseon, air cooled, 395 nm, 12 W/cm2
