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A 4 gallon can of shoe glue is drying up.

Question asked by Jeff Burns on Aug 11, 2019

The glue contains Hexane, Toluene and Polychloroprene. A rubbery skin has formed on the top. Will adding hexane and/or toluene  dissolve the rubbery layer and save the glue ?  Your suggestions are welcomed.  Thank you in advance.

Jeff signing off