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Tear resistance is an essential physical index of industrial paper, packaging paper and special paper. Many paper products are prone to directional tearing and edge cracking during processing, transportation and use due to insufficient tear resistance, resulting in product damage and customer complaints. Especially for lightweight packaging paper and thin industrial paper, the contradiction between low basis weight and tear strength has long troubled production enterprises. It is difficult for traditional process adjustment to balance light weight and high toughness. Shandong Ludao Energy Technology Co., Ltd. provides professional tear resistance enhancement solutions. By optimizing fiber interweaving structure and matching high-efficiency toughening auxiliaries, we significantly improve the transverse and longitudinal tear strength of paper, enhance the overall toughness and impact resistance of paper products. The solution will not increase paper basis weight or affect paper surface performance, effectively solving the pain point of easy tearing of thin paper materials, and helping enterprises improve product durability and market recognition.