Usage: Gravure printing ink, planographic offset printing ink etc Our CC series is the Nano-active calcium carbonate after special surface treatment with fine thixotropic ability and good system ratio capability as well as the controllable and adjustable system rheology. In the airproof gooey field such as silicone and polysulfur, is not only meets the requirements of thixotropic performance, but also provides excellent reinforcement ability, able to replace part of or all the expensive SiO2.