Sodium Carbonate (Carbon Art) grades Z5 and Z6 were selected by IBIX and experts in the monumental restoration field to be the most effective yet, lest invasive media of choice for cleaning bricks, stone and sculptures. With its very fine grain size and rounded edges it allows for delicate removal of salt efflorescence, air pollutants, carbonization, soot and black crust.
Hardness:
Carbon Art has a harness level of 3 or lower Mohs.
