film backing robert houllahan

From: Steven Lyle (email suppressed)
Date: Tue Aug 21 2007 - 23:40:54 PDT

Robert Houllahan <email suppressed> wrote:
ECN MP stock has a carbon backing on it which helps the film run through the camera, keeps the base from scratching and provides anti halation. In a ecn-2 MP processor the first step is a wash tank and then a set of rotary buffers which remove this backing material without getting it on the emulsion. You have to devise some way of scrubbing the backing off, I can probably come up with some procedures tomorrow....

  Dear Sir: Did you find a way for the home-developer to scrub off the backing???

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