Klabin SA (Klabin) is involved in the production and sale of paper and packaging products. It operates in the forestry, pulp, paper, and packaging sectors, serving industries such as construction, personal care, cleaning, fruit, tobacco, and protein. The company manages a significant forest asset base, consisting of pine and eucalyptus plantations, which provides raw materials for its operations. As of December 31, 2025, Klabin reported a total sales volume of 4,008 thousand tons. The company's integrated business model includes the production of short, long, and fluff fiber pulp, and various paper and packaging products.

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The company's R&D initiatives in 2025 focused on reinforcing its strategic role by supporting the competitiveness of current business operations, accelerating diversification into new forest-based materials, and strengthening sustainability-driven innovation. Klabin enhanced operational efficiency, improved product quality, and increased value creation through integrated collaboration with its Forestry, Pulp, Paper, Packaging, and Sustainability divisions. Key advancements included improvements in wood quality programs, prediction models, automation integration, and forestry research, which improved decision-making processes and reduced variability. Klabin also reinforced its presence in international R&D consortia and programs, focusing on renewable barriers, pine chemistry, advanced film technologies, and biomaterials.