A kind of multilayer, hard cardboard formed from very thin layers of 25 - 40
g/m2 G.S.M. It is a glued product, heavily pressed, of a very smooth
matt surface or specially varnished surface. Produced in semi -
wooden and wooden variation in the form of reels or sheets of 0.35
- 1.5 mm thickness and the G.S.M. from 180 to 3150 g/m2. Characterized
by a high mechanical and electrical resistance, it is stiff, elastic,
non-breakable of even and compact surface. Pressboard is used for
making very stiff covers for file binders, notebooks, notepads book
covers etc.
PERTINAX PLATES
Resinous plates, double reinforced. Designed for performing counterforms of diecutters.