CAL 94 is an immersion process that is used as an activating solution prior to CAL-Pac’s CAL
87. This combination of products will form a uniform, jet-black finish on brass and other alloys
containing between 65 and 90% copper. Depending upon the desired finish, the CAL 94 may
provide adequate color on its own to produce a pleasing antiqued finish. For more detailed
information, please refer to the CAL 87 data sheet.