... accord with ROTH and EN71 test Usage: 1. Ultramarine blue pigment is characterized by its excellent fastness to light, alkali, ... applied in the industries of plastics, coating, synthetic resin, printing ink, latex, architecture, paper, detergent, paint, cosmetics. 2. It is ... products by adding some ultramarine. The color of gray and black compounded with ultramarine would be softened and glossed. 3. ...