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Weather resistance is an essential comprehensive performance for outdoor packaging, outdoor advertising paper and open-air storage paper products. Under natural environmental conditions such as alternating temperature and humidity, wind and rain erosion, and long-term light exposure, ordinary paper is prone to aging, yellowing, strength attenuation, deformation and mildew. Poor weather resistance greatly shortens the service cycle of outdoor paper products, causes fading and damage of printed patterns, and cannot meet the long-term use requirements of outdoor scenarios. Most existing single anti-aging or anti-yellowing technologies can only solve partial problems and cannot resist comprehensive natural environmental erosion, resulting in poor overall durability of paper. Shandong Ludao Energy Technology Co., Ltd. launches all-round paper weather resistance upgrading solutions. By compounding anti-oxidation, anti-ultraviolet and moisture-stabilizing functional components, we build a multi-dimensional protective system inside and on the surface of paper. This technology effectively resists light aging, oxidative deterioration, humidity deformation and microbial erosion, maintains stable paper size, color and mechanical strength in complex outdoor environments, and greatly extends product outdoor service life. It helps enterprises develop high-durability outdoor special paper and expand differentiated high-value market applications.