No guarantee give for expired film. Do a test to check development.
Ortho Film. ISO 25. Just out of date so should work pretty much as expected.
50 Sheet Pack.
Been cool stored.
Rollei Ortho 25 is a technical, orthochromatic black and white photographic film with a nominal sensitivity of ISO 25/15 °. Rollei ORTHO 25 is characterized by a high sensitivity reserve of up to two f-stops, depending upon development. The document emulsion offers exceptionally fine grain images with high sharpness. Rollei ORTHO 25 is ideal for technical and scientific applications and as a half-tone film for pictorial photography.