In the world of flexible packaging, Laminates are combinations
of different or similar films designed to optimise the mechanical and functional
properties of each single film which when glued together with an adhesive, so
acting to multiply the performance of the individual films. Adhesives are typically
solvent free systems but can be solvent, water, UV, extrusion or hotmelt systems.
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Clear or metallised Polyester (PET) laminated to LDPE film in a typical 12/50
or 12/70 combination. Clear PET film can be reverse printed
or surface printed and the PE film can be selected to offer the desired performance
properties such as peelability or modified to have high hot tack, etc.
CPP/BOPP. Can offer the high seal
strength performance of CPP film with the outstanding optical
and mechanical properties of BOPP film. Again with reverse
or surface print in a wide variety of gauge combinations and surface finishes
This typical triplex structure incorporates Aluminium foil for improved oxygen
and light barrier performance for food stuffs such as ground coffee where quality
deteriorates rapidly on exposure to Air.
Laminate Combinations & permutations. In fact the list is truly infinite.
You can select type Ionomer sealing layers where product contamination of the
sealing area is a problem, in combination with any of the other materials you
may choose. You can have evoh clear gas barrier films or evoh/pa/pe coex films
or peelable films or evoh/pa/ps.
And all these can be supplied printed
flexo or gravure and/or coated with cold seal coatings.
does by consensus give a higher quality product than other printing methods but
traditionally higher origination costs have made it only suitable for longer runs.
New technology is now available in Europe for the first time to allow simultaneous
automated cylinder changing and less set up waste through "electronic line
shaft" technology, which when combined with origination charges that are
competitive with flexo, brings the option of gravure print to the short run brand