White Art Concrete #80-102, Pigment & Additional Aggregate Ready-Mix, (Add-Agg), FreeShip
Pigments can be added to the White Art Concrete "All-Agg" #63-101 concrete if you wish, but the "Add-Agg" #80-102 concrete is most appropriate and will likely give a stronger concrete if you chose pigments which have a broken tile sample. A broken tile means the pigment made the concrete somewhat weaker, although all are strong enough for concrete designs that do not have very thin walls. The test I performed for concrete strength was holding the tile in both hands and exerting a lot of force to try to bend it until it broke. It's true that some broken tiles may have been tested too early, before they reached full strength when fully cured.All carbonates that we carry just don't have the tinting power required for coloring concrete. Our quirky inclusion of them to pigments that can be used to make paint does not carry through when they are used to color concrete. We did not even include them in "Incompatible Pigment Tiles" because they all turn out nearly white....(see more)