Silberra B&W Cinema series films
Silberra CINEMA are the films which are made for cinema purpose originally; Silberra CINEMA consists of three films:
Silberra 54UN (ORWO UN54), ISO 100
Silberra 74N+ (ORWO N74+), ISO 400
Silberra 52XX (Kodak Double-X 522), ISO 200 (250)
These films may be processed the same way as common black and white photo films. No special anti-halation layers are coated upon B&W cinema films, that's why you may use your common chemistry for b&w negative process without any risk of contamination.