in recent ears there is several interest to use pigments. the pigments based on iron oxide(red, yellow and brown) are totally mixed with concrete.
normally pigments add to concrete based on weight of cement 3-5 %. it depends on quality of pigments and the shade color of sand and cement.
earning the shade of following colors are available by quiet good mixing and formulation:
- Red(Iron Oxide)
- Yellow(Iron oxide)
- Brown(Iron Oxide)
- White(White cement with Titan, TiO2)
Following Video shows the process of adding water and resin and pigments to the concrete mixture.