OHP is basically a very clear Polyester based plastic film. This film is used for protecting the foam from sticking on to the toner of the Artwork printout of the Vellum paper. The thickness of the
Film will vary from foam to foam and the discharge energy of the Flash machine.
The ideal recommended film generally used is 0.5 mm thick, available in format of A4, A5 and A6 sizes.
OHP is basically a very clear Polyester based plastic film. This film is used for