UGRA test strip was created to control and normalize offset copies and assess the process of printing. It allows the evaluation of the parameters of offset copy such as: exposure, exposure tolerance, plate contrast, resolution of coping process and reproduction of tonal values on the plate. The strip in the printing process evaluates ghost printing and doubling and reproduction of tonal values of imprints.
UGRA control test is made of a low contrast film used for performing halftone screen quoin and a film of high contrast of the size 174 x 14 x 0.1 mm. The test includes control field:
Halftone screen quoin
Half tone dot quoin
Field of screen distortions and doubling
Field of light shadows
Unit package: one item - envelope with a leaflet
DENSITONE SPRAY by Italian company POLICROM SCREENS SPA
Intensifies black colour on laser printouts. Used for blackening
printouts on technical carbon paper used for montage and exposure.
Unit package: 400 ml. - aerosol container
MOUNTING GLUE LS 72 of Italian company POLICROM SCREENS SPA
Montage/mounting glue with spray nozzle used for mounting graphics
on montage films used for exposing offset plates. Characterized
by high transparency. The glue must be sprayed on montage film from
30 cm, after a few seconds montage procedures can be started.
Unit packages: 400 ml. - aerosol container
TRANSPARENT AND RED MONTAGE TAPE
Montage tapes, one or two-sided, adhesive, transparent or in red
colour of different widths, characterized by high transparency.
Used for graphics montage on montage films.
NEGATIVE CORRECTION PENCILS
Thin, middle and thick correction pencils used for corrections on offset plates.
Indelible pencils for describing and correcting exposures and montage
Tray made of stereo foam with working layer of soft unwoven cloth used for
manual works in printing.