NM-2 nano-level superfine activated calcium carbonate is mainly used in the automobile primer, sealant and high-class coating. In the practical application, this product has the following features:
1) It features small diameter, narrow distribution, low oil factor and dispersible property after special surface treatment;
2) It has good affinity and compatibility with various coatings or sealant resigns, acting filling and strengthening function;
3) It can greatly improve the thixotropy and rheology of the coating or sealant system for easy production and use;
4) It can increase the anti-aging capability of the coating or sealant (anti-ultraviolet radiation and heating) and improve the stability of the coating.