Trichlorethylene, Bill - we used to use it when I worked in a factory building Hawker Hunter fighter planes. It was great for degreasing my bike too! Just used to suspend the bike in the tank (6 feet by 18 feet by 12 feet deep) for ten minutes, then brush the dirt off...
John Coyle Brisbane, Australia ----- Original Message ----- From: "William Robb" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, June 17, 2004 10:11 PM Subject: Re: SV: Film and Development > > ----- Original Message ----- > From: "Frantisek Vlcek" > Subject: Re: SV: Film and Development > > > > Hi, > > at the lab I go to they used ethylalcohol to clean the really > > cruddy negs the customer thomped upon (or whatever). Sometimes > it > > worked. Sometimes not. If the crud is embedded in the emulsion, > you > > are 90% out of luck. There are some commercial negative cleaners > > made by Tetenal, but I believe them to be alcohol as well. > Washing > > the negative in distilled water wouldn't harm it either. > > > > Especially with the alcohol, try it out on some crap before :) > > If the neg is really dirty, washing in warm water and a mild > detergent is a good solution, as detergent will remove grease (finger > oil) better than dedicated film cleaners. > Commercial film cleaners are a chemical called trichlorithene (the > spelling may be wrong). > > William Robb > >
