NM-1, NM-3 and NM-4 nano-level superfine activated calcium carbonates are mainly used in the printing ink industry. Now, this product has become one of indispensable stuffing in the domestic printing ink industry. In the practical application, this product has the following features and advantages:
1) It is nano-level product that features small diameter, narrow distribution and dispersible property. After the surface modification, it has oleophilic and hydrophobic nature with proper oil factor. It also has good compatibility with the resign and vehicle;
2) The printing ink with this product as stuffing has good body and viscosity as well as good printing performance and stability. The printed product is smooth with complete stipple. The excellent stability of this product in the resign printing ink is unmatchable of other stuffing;
3) The production process is adjustable and controllable and can meet different requirements of the users.