PBL - Blackout

PBL - Blackout is a film for Фронтальная проекция that could be considered simply a blackout version of PBO - Bianco Ottico film.
Actually, the black back coating slightly increases its gain compared to PBO - Bianco Ottico and gives it its own character.
With respect to PBO - Bianco Ottico, PBL - Blackout is also slightly heavier and more resistant.
It is used to manufacture high-performance front projection screens, particularly effective in low ambient light conditions.

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