HQ-SC913 Anionic Paper Surface Strengthening Agent This product is a high-molecular copolymer of the styrene-butyl ester series. It exhibits excellent film-forming properties and strong bonding affinity with fibers, significantly improving the physical surface properties of paper. It enhances the surface strength of paper, preventing issues such as linting and dusting, while also increasing the paper's physical strength, smoothness, and printability. It meets the demands of modern high-speed printing machines and caters to the potential market for multi-color overprinting. During application, it can be used in combination with thickeners, making it an ideal modifier for surface performance. Applicable Scope: Suitable for the production of various high-grade printing papers, including security paper, high-quality double-coated paper, electrostatic copy paper, lightweight paper, and others, with diverse pulp ratios.