Thread: Kodak SH-1 Formalin Hardener for Films and Plates
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Old 07-06-2008, 04:54 PM   #2 (permalink)
Photo Engineer
 
Join Date: Apr 2005
Location: Rochester, NY
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Common Formalin is actually about 37% and the formula I have contains 50 - 100 g/l of Sodium Sulfate.

PE
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