Page 54 - Glass Machinery Plants & Accessories no. 4/2018

WHITE PAPER
White paper
and is suitable for mirroring of anti-counterfeit and authen-
applications. tication solutions to make items
The SunVetro family of prod- more difficult to copy and enable
ucts can be used for ceramics, brand owners and government
glass containers such as beer/ officials to determine if products
wine beverage bottles, drink- are genuine or fake.
ware, cosmetics, and medical Essentially all security solu-
vials. They can also be used on tions can be grouped into two
glass for cell phones, computer segments: overt and covert tech-
screens, gaming machine mir- nologies. Overt technologies are
rors, and furniture. added for consumer verifica-
tion purposes and can include
SPECIAL EFFECTS thermo-chromic and colour shift
Sun Chemical offers a wide inks, for example. These are vis-
range of special effect inks, such ible features and do not require
as metallic, thermochromic, fluo- Figure 2 - Frosted bottles detection. Covert technologies
rescent, tactile, and etch effects, that were developed using need to be detected through a
to name a few. Sun Chemical inks reading device. These include
and coatings.
Thermochromic inks can be UV-readable and IR-responsive
applied directly onto glass to inks and coatings.
indicate the ideal temperature of Sun Chemical has a range of
wines or beers, or can be used ated with traditional acid etching both overt and covert security
as a promotional message that and sandblasting (Figure 2). features that can supplied as fin-
appears at a specific temperature Other surface effects, such as ished organic glass printing inks,
(Figure 1). tactile effects to enhance the lux- or be incorporated covertly into
urious feel and quality appeal or glass printing inks.
non-slip finishes for practicality, The most effective security
Figure 1 can also be created. solutions for glass packaging
- Thermo- are covert technologies, which
ADDING BRAND are integrated directly into the
chromic inks
were applied PROTECTION FEATURES organic glass printing inks.
to these
glasses. TO GLASS DECORATING Covert solutions offer increased
It is clear that different lev- security compared to overt solu-
Colder tem-
peratures els of security are needed for tions and are viewed as the sec-
change the different types of products and ond line of defence.
packaging. Brands need flexible First-level covert solutions
colour of the ink from
white to blue
solutions that can address the include invisible fluorescent inks,
required level of sophistication which are virtually invisible in
while successfully countering the daylight but exhibit distinct fluo-
Fluorescent and phosphores- threat in a cost-effective way. rescent shades on exposure to
cent colours can shine brightly in A multi-layered approach to UV light. Coloured fluorescent
black UV or glow in the dark, an security allows brand owners inks are visible in normal light
effect which is great for displays the flexibility to add and remove but have a strong fluorescence
and making labels stand out in a security features as required, under UV light.
nightclub, etc. which in turn allows them to stay High-level covert solutions will
Acid-etch or sandblasted one step ahead of the counter- contain some form of taggant
effects can be printed onto bot- feiter. These layers could range that is only visible or detect-
tles and cured in the same way in sophistication without com- ible through more sophisticated
coloured inks are, or alterna- promising the level of protection. devices, which range from laser
tively, frosted bottles can have Most importantly, brands need pens to dedicated readers with
windows spot printed by using a to understand their options in controlled distribution.
gloss clear varnish in the desired order to make an educated deci- Sun Chemical’s taggant solu-
area. Creating this effect through sion about the best security for tion for glass packaging includes
the use of inks and coatings can their products and/or packag- Verigard™ technology, which
significantly reduce the cost and ing. offers a lock and key approach
environmental concerns associ- Sun Chemical offers a range to securing and authenticating

glass machinery plants & accessories 4/2018
52