Interstar Ready Mix Colors are pure iron oxide pigments designed specifically to be used in the integral coloring of cementitious materials. Interstar Ready Mix Colours are highly concentrated, requiring less pigment to create vibrant colors. 

Permanent, sunfast, and weather-resistant.Packaged in pre-measured bags that disintegrate in the concrete mix for clean, easy use. Pigments can be added to any concrete mix. Interstar Ready Mix Colors are certified to ASTM C979 standard for integral coloring.