Archived posting to the Leica Users Group, 2010/03/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> Surfactants that are also highly anti-static are only required for > rollfilm, so they use other cheaper surfactants with the 1600, which > has only ever been available in 135 to my knowledge - this also > explains why 135 Neopan 400 will continue to be available. Acros is > newer; by the time it was formulated PFOS's days were numbered, even > though it had not been banned outright. So it was made with a > different agent from the start, it seems. The fluorine peak that I > saw when I examined 120 Neopan 400 by mass spectroscopy did not occur > even with the first batches of 120 Acros. But it seems likely that > reformulating 120 Neopan 400 without the PFOS would be uneconomic. > > It's a shame; it was always my standard 120 B&W film. > > Marty I used Tri X pro 320 in 220 the film was not really as good as Neopan but Neopan didn't come in 220 and I can rock on roll with 24 on a roll. Not 12. [Rabs] Mark William Rabiner