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Heico Perma Wash is a highly concentrated neutral liquid that not only saves a tremendous amount of time and wash water, but even more importantly provides archival permanence in both films and papers.
Perma Wash is available in 1 qt., 1 gal., and 5 gallon concentrates. A one quart bottle will make 11 gallons of working solution.
Perma Wash saves more than 90% of normal wash water requirements which is estimated that the operating cost is one cent per 8 x 10" sheet of film or paper processed.
Perma Wash is non-corrosive and is formaldehyde free.