... it has obvious effect when dispersing pigments of phthalocyanine blue, phthalocyanine green, and carbon black, that combining with ... of common hyperdispersant.2. Excellent wetting ability for phthalocyanine blue, phthalocyanine green, carbon black, greatly improves the pigment ... the dosage of hyperdispersant, or contrast to phthalocyanine blue, phthalocyanine green 3%-8%, carbon black 5%-20% ...