ultramarine blue

ultramarine blue Double Dragon Brand Ultramarine Blue Ultramarine Blue, pigment blue 29 (pigment index No), is a kind of inorganic pigment. We have more than 30 years’ experience in producing ultramarine blue. Our output, quality and export rank first among domestic industry. It has been named Provincial Excellent Product & Ministry Recognized Quality Product. Double Dragon Brand has been awarded Shandong Provincial Famous Brand Product and Shandong Provincial Well-known Trademark. The annual output amounts to 10,000 tons. Product specification covers 504 #, 462 #, 463 #, 464 #, 465 #, 2666 #, 2667 #, 2668 #, 2677 #, 2669 #, 2679 #, 2678 # and other specs. 2678 #, 2679 # (for plastic only), 2669 #, 2677 #, 2668 #, 2667 #, 2666 # and 465 # are high-grade Ultramarine Blue. It has advantages of high tinting strength, bright color and fine particle (diameter 2 3μm). They are essential in producing high-grade plastics, cosmetics, food boxes and children toys. According to test by SGS, heavy metal content meets standard of N71 part3. Its quality has reached the level of similar foreign products and it finds good market both domestically and abroad. Uses: Widely used as coloring agent, whitening agent and toning agent in producing paint, ink, paper, textile.