Table 3.4: Complex inorganic color pigments
Pigment (CI name)
|
Metal
composition
|
Color
|
Crystal
structure
|
Titanate pigments
|
Pigment Yellow 53
|
Ni, Sb, Ti
|
Lemon yellow
|
Rutile
|
Pigment Brown 24
|
Cr, Sb, Ti
|
Yellow-orange
|
Rutile
|
Pigment Green 50
|
Co, Ti
|
Bluish-green
|
Spinel
|
Aluminate pigments
|
Pigment Blue 28
|
Co, Al
|
Blue
|
Spinel
|
Pigment Blue 36
|
Co, Cr, Al
|
Blue-green to teal green
|
Spinel
|
Chromite and ferrite pigments
|
Pigment Black 28
|
Cu, Cr
|
Black
|
Spinel
|
Pigment Black 29
|
Co, Fe
|
Black
|
Spinel
|
Pigment Black 30
|
Fe, Ni, Cr
|
Black
|
Spinel
|
Pigment Yellow 119
|
Zn, Fe
|
Tan
|
Spinel
|
Pigment Brown 33
|
Zn, Cr, Fe
|
Brown
|
Spinel
|
Pigment Green 26
|
Co, Cr
|
Yellowish-green
|
Spinel
|
|
nature, many are used as alternatives to chromate and lead-based pigments. Due to these performance properties, complex inorganic color pigments are used in high-end applications such as automotive coatings, coil coatings and some specialty industrial coatings.
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