DESCRIPTION
Range of gloss and matt UV flexo curable varnishes for use on digital inks, with high adhesion, low shrinkage, high heat resistance, and unparalleled chemical resistance.
PROPERTIES
Gloss and matt finishes. Fast cure. Free from Benzophenone, MBP, OHBP, BDK, ITX. See list below for suitability for foil blocking/thermal transfer. Excellent chemical and product resistance. Excellent adhesion. Excellent heat resistance (no cracking). High scuff resistance.
NB; Fully cured IV varnishes will obtain their optimal tape and chemical resistance properties 12-24 hours after printing.
Unless the printed layer is a barrier to migration and there is no possibility of set off to the unprinted (food contact) surface, IV Digitech varnishes are not intended for food packaging specifications.
For applications where the material is not a barrier, or set off is possible, we recommend the use of Low Migration inks; varnishes. Contact us for further details.
It must also be mentioned that the Printer/Converter and Packer/ Filler has legal responsibility to ensure compliance with the relevant legislation for food packaging.
The Digitech range of varnishes was initially designed for overprinting digital inks to offer increased resistance and adhesion properties on certain substrates. These included HP Indigo and Xerox iGen inks, but they have also been used over Xeikon, Epson, and Duplo inks, amongst others, with great success. Please contact our sales representative or the laboratory for advice on the best varnish to use for any particular application.
APPLICATION
Stir well before use; Anilox 75 – 120 l/cm (200 – 300 l/in). Film weight 6; 15 volume. The higher the film weight, the greater the resistance properties. Rollers EPDM. UV lamps minimum 80 w/cm
SUBSTRATES
Coated paper and board. Top coated thermal paper. Treated/primed synthetics. Aluminium foils. Other substrates after testing.
STORAGE & HANDLING
Store at temperatures between 50C and 250C.Protect from sunlight. In unopened containers IV varnishes have a shelf life of 12 months.
RANGE

PACKAGING
5kgs, 10kgs, 25kgs
AUXILIARY PRODUCTS
RLA313 UV Reducer (add 1-3%). RLA367 UV Defoamer (silicone containing) (add 0.1-0.3%). RLA379 UV Defoamer (silicone-free) (add 0.2-0.5%). RLA374 UV Wax Slip/Scuff Additive (add 0.5-2%). RLA389 UV Anti-Static Additive (add 2-3%). RLA350 UV Wash up