Western Weld BU32 Inner Liner Cleaner - 32 oz. (Flamable)
 
When used with a scraper, this formulation removes contaminates and other
chemicals from the inner liner.
 
More Options:
BU16S - Inner Liner Cleaner Aerosol Can 16 oz. (Flamable)
BUG - Inner Liner Cleaner 1 Gallon (Flamable)