LOCTITE SF 8220 Flex Cleaner
(Known as Loctite Fixmaster Flex Cleaner )
LOCTITE® SF 8220 Flex Cleaner 2000 Putty, single component putty designed to fill and restore damaged metal and fill cracks in environments that will see 2000F. Water based and non-toxic. Typical applications include header, manifold and cast iron repair.