Used as a high-performance antioxidant in polymers, especially in polyolefins such as polyethylene and polypropylene. It protects materials from thermal and oxidative degradation during processing and long-term use. Effective in applications exposed to high temperatures, including wire and cable insulation, automotive parts, and packaging films. Also used in adhesives and sealants to extend service life by preventing polymer breakdown due to heat and oxygen exposure. Shows excellent compatibility with other stabilizers, allowing synergistic formulations for enhanced durability.