Various Other Perylene Tetracarboxylic Acid Pigments

6 Various Other Perylene Tetracarboxylic Acid Pigments 

Some other pigments of this class are found on the market. In full shade, these pigments provide tones of black or very dark olive or violet hues, which satisfy certain spectral requirements in the IR region. Examples are Pigment Black 31,71132 and 32, 71133. Their properties include resistance to certain chemicals and good weatherfastness. 

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