| TYPE
OF INK - UV
curing water base heat active Ink. |
| APPLICATION
- On paper and board. |
| THINNERS
- Not
required. Press ready. |
| DRYING
- By
exposure to UV high pressure mercury vapor lamps. |
|
DRYING
TIME - Using a two lamp machine, belt speeds upto 45 metres
per minute can be achieved.
|
EXTENDER
- The
colour strength of the inks can be adjusted by the addition
of extender base uvw415. |
| ADHESION
- Good to paper, board and screen printed materials.
|
| MESH
- The
correct deposit of ink can be obtained using meshes in the
range of 110T to 140T. |
| COVERAGE
- Upto
60 square metres per litre can be obtained with fine calendered
meshes. |
| STENCILS
- Special
direct emulsions resistant to water based inks must be used.
The number of coatings should be kept to a minimum. This will
ensure that the thinnest stencil film is obtained and this
will give low ink deposits especially in fine detail areas.
Special indirect systems are also now available for UV water
based inks. |
|
CLEANING
THE SCREEN - At
the end of the print run the screens can be washed up with
active screen solveent or high pressure water with the aid
of a special emulsifier.
|
| SHELF
LIFE - Minimum of three months. |