Film faced plywood is also called formwork plywood, shuttering plywoods, concrete form.
Film faced plywood is the special plywood with two sides coated with wearable and water proof film. The film is adhesive impregnated paper, which are different from melamine paper overlay, PVC, MDO (MDO plywood) and HDO (HDO plywood). The function of the film is to protect the inside wood from moisture, water, weather and extend the plywood’s service life. Film faced plywood can be used in harsh and outside environment: shuttering plywood, formwork plywood, concrete formwork, floorboard, vehicle building.
link:https://www.vietimber.com/plywood/film-faced-plywood/Film-Faced-Plywood.html