Used primarily in polymer systems to prevent oxidative degradation, this additive stabilizes materials during processing and extends service life by inhibiting the formation of free radicals. It is commonly incorporated into plastics, especially polyolefins, to maintain mechanical properties and color stability under high-temperature conditions. Also applied in adhesives, sealants, and elastomers where long-term durability is required. Its effectiveness in low concentrations makes it suitable for industrial applications where minimal additive loading is desired. Frequently used alongside other stabilizers, such as UV absorbers, to provide synergistic protection against environmental aging.