HQ-SC931 Cationic Paper Surface Enhancer When used in combination with starch, this product enhances the pick resistance, surface strength, and printability of paper, resulting in sharper print dots and more vibrant colors. Compared to similar products, it offers convenient application, excellent compatibility, and lower cost. It can be directly used with cationic or non-ionic additives Application: Suitable for producing high-end printing papers such as security paper, high-quality offset paper, electrostatic copy paper, and lightweight paper, with various pulp formulations. Scope of application: Used in the production of various high-grade printing papers such as bond paper, high-quality offset paper, electrostatic copy paper, and lightweight paper with different pulp ratios.