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2-6 DEFINITIONS OF TERMS
•
PSA
stands for pressure-sensitive adhesive, used for cold mounting of
images and for cold application of vinyl and clear overlaminates.
•
Vinyl
is the base or outer protective layer of many cold/PSA overlaminates.
•
Acrylic
is the type of adhesive most often used on vinyl and other types of
cold films.
•
Substrate
literally means under-layer. It can refer to material we print on, or
it can refer to the board we use to mount an image
•
A
web
is the unwinding width of plastic coming off a supply roll, or the
continuous flow of laminate coming out the back of the laminator.
•
The
nip
is the line where the two laminating rollers meet and lamination takes
place.
