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    Black Pigments

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    BLACK PIGMENTS FALL INTO THREE CLASSES [1] as described in Table 1. The first two classes derive their color characteristics from the element carbon, the third class from ferrous oxide, Fe3O4. Class 1 blacks are carbon blacks that are composed of 90 % or more elemental carbon. Class 2 blacks may be referred to as “carbonaceous pigments” and these contain from 8 % to 88 % elemental carbon.

    Author Information:

    Spinelli, Frank R.
    Technical consultant for Cabot Corporation, Billerica, MA

    Committee/Subcommittee: D01.31

    DOI: 10.1520/MNL12200M