ISO 3642:1983

Cinematography — Cemented or welded splices on 8 mm Type S motion-picture film for projector use — Dimensions

The specifications apply to film which is primarily intended for projection. If the film ends have been widened due to scraping, the extra width shall be removed. Cutting into or including a perforation in the splice shall be prevented. Bevelled splices are recommended. Also specified is the way film with magnetic stripes is spliced.