THE DATA FRONT

98 | l&l
at temperatures far below freezing point. ‘PS 3030 features an
outstanding tack performance in cool conditions down to -16°C
and an excellent adhesion to a wide range of packaging films as
well as cardboard,’ says the manufacturer.
Franklin Adhesives
‘Invisible’ permanent adhesive
Label manufacturers looking for an ‘invisible’ pressure sensitive
adhesive can now source Covinax 462, a permanent PSA
launched by Franklin Adhesives & Polymers, a division of
Franklin International.
Covinax 462 is a clear, styrene-acrylic copolymer for
permanent pressure sensitive applications that require high
water- and blush-resistance. Its high transparency makes it ideal
for use in clear film labels used on glass and plastic surfaces,
including auto glass and bath and shower product containers.
While Covinax 462 performs well on labels for indoor use,
it can also be specified for labels that will be exposed to the
outdoor elements. It withstands UV, weather and outside
exposure without unsightly yellowing or water damage even
over time. Lab testing performed with a Colorimeter showed
only a negligible increase in yellowing on Mylar and paper, says
Franklin.
Covinax 462 offers peel adhesion strength of 2.50 pounds
(180° peel adhesion testing), shear strength of 1,251 minutes
(178° shear adhesion test) and a loop tack of 2.10 pounds.
The high shear properties equate to good high temperature
performance in the range of 100 degrees to 150 degrees C. Like
most pressure sensitive adhesives from Franklin Adhesives &
Polymers, Covinax 462 is water-based.
UPM Raflatac
RP 30 wine labeling adhesive
UPM Raflatac has introduced its adhesive RP 30 for demanding
wine labeling applications.
RP 30 is an acrylic water-based adhesive, specifically
designed for all permanent wine labeling applications where
wash-off properties are not required. It provides good adhesion
to polar surfaces, tolerating fluctuations in temperature and
humidity on the bottling line and during bottle storage, says the
manufacturer, with ‘excellent performance in terms of initial tack
and water-resistance in the ice bucket.’
It is recommended for labeling red, white, sparkling wines,
champagne and rosé. RP 30 also shows good resistance to
edge lifting and is consequently suitable for neck labeling. In
order to avoid breaks in high speed dispensing lines, RP 30 can
be combined with a PET backing.
The new RP 30 complements UPM Raflatac's range of
adhesives for wine labeling together with RP 40 for wash-off
applications and the ultra clear RP 74 for clear filmic face
materials. RP 30 is currently available ex stock with six
constructions, and later on in 2009 with all UPM Raflatac's face
materials for wine labeling, both with paper and filmic backings.
Green Bay
‘Environment friendly’ PS structures
New recycling-compatible adhesives are now available from
Green Bay Packaging.
Recycling-compatible adhesives have particles that remain
large enough after pulping to be substantially removed, keeping
the final product free from debris. Two recycling-compatible
adhesives have been launched which meet the Tag and Label
Manufacturers Institute testing protocol RCA LRP 2v5. 760S,
a general purpose permanent adhesive, and 548S, a hard
repositionable adhesive, are available on a variety of face stocks
for flexographic, rotary letterpress, laser, inkjet, direct thermal
and thermal transfer printing.
These adhesives can be mixed and matched with Green
Bay’s new range of paper face stocks manufactured with
post-consumer fibers, claimed to provide smooth print surfaces
and industry standard die cutting and stripping performance.
Recycled content face stocks include R60SG creamy-white
60# semi-gloss with 20 percent post-consumer waste, and
the R54SG, a blue-white 54# semi-gloss with 30 percent
post-consumer waste. For those wanting a matte-finish, the
product line contains a 60# matte litho, R60ML, with 30 percent
post-consumer waste. Two face stocks are available for variable
imprinting applications. For thermal transfer printing, there is
the R10TT, a 40# facer with 10 percent post-consumer waste.
R60LJ is a sheet designed both for laser and inkjet applications.
It is made from 100 percent post-consumer fibers.
l Green Bay has also announced 111 adhesive, claimed to
overcome the challenges of difficult adhesion and blushing in
moist atmosphere environments. 111 adhesive is intended for
labels on in-the-shower products, beverages, and refrigerated
foods. It adheres to a variety of substrates, including glass
and plastics. The 111 adhesive can also handle squeezable
UV-DRYING SYSTEMS that meet the requirements
for varnishes and inks
SWISS
MADE
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uviterno, the Swiss company for innovation and quality in
UV-technology. Our high-performance products are developed in
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on solution orientated connections.
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UV-technology at its best. face Our stock. contribution to your success.
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