Thermal stability

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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