Printex G Domestic furnace black Degussa Extenders / Fillers >> Carbon black Pigments >> Carbon Black SEALANT Printex G Domestic Furnace Black Good for tinting applications, good bluish/brownish undertone balance. Used as a pigment in expansion joints. Domestic furnace black. Used as a pigment in expansion joints. Suits for tinting applications. Provides good bluish/brownish undertone balance.