Natural Red Iron Oxides
Natural Red Iron Oxides are natural red products that vary in shade from bright red to maroon, often with a brownish undertone. They are less expensive than Synthetic Iron Oxides and normally exhibit better corrosion resistance due to lower soluble salt levels. These pigments are used extensively in making metal primer paints and coatings.
Synthetic Red Iron Oxides
Synthetic Red Iron Oxides are brighter than their natural counterparts and still cover the same wide range of reds.
Burnt Siennas are brownish shades with good transparency and heat stability characteristics. They are used extensively in producing mahogany, cherry, and rosewood colored stains. They are also used by the art material industry to produce flesh tones when combined with TiO2 white.