I've heard that the 35mm FP4 and HP5 plus are made with a two emulsion mix, but I guess they just mix them before they coat the stuff on the film base. They would be able to manufacture a film with double coating, but I don't know if it would help for anything, on the contrary I would guess it would be bad for the general acutance of the image. Maybe our friend from Ilford could help us on this point...(posted 8299 days ago)