The order of addition of the ingredients is according to their appearance in the formulas. the additions are easily accomplished using a low-shear mixer such as a Lightnin mixer at moderate speeds, avoiding vortex formation and entrapped air. The dispersion can then be passed through a colloid mill such as a Morehouse Mill to eliminate particle agglomerates if necessary. Formula No.1 is recommended for greater resistance to pigment settling during storage. The other two formulations, however, are adequate for most applications.
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