europlas weather stabilizer additives

Antioxidants: What are primary and secondary antioxidants?

Antioxidants are used in a variety of resins to prevent oxidative degradation. Degradation is initiated by the action of highly reactive free radicals caused by heat, radiation, mechanical shear, or metallic impurities. The initiation of free radicals may occur during polymerization, processing, or fabrication. Once the first step of initiation occurs, propagation follows. Propagation is […]

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