Hebei Hankai 2.5 hydraulic cylinder seal kit





3. Characterization After purification, extensive characterization is conducted to assess the quality and potency of the APIs. This includes various analytical techniques such as High-Performance Liquid Chromatography (HPLC), mass spectrometry, and nuclear magnetic resonance spectroscopy, ensuring that every batch meets stringent specifications.
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On the other hand, HALS are a unique class of stabilizers that work by scavenging free radicals generated during the photodegradation process. By trapping these free radicals, HALS significantly slow down the degradation of the polymer chains, preserving the mechanical properties of the plastic. This mechanism allows HALS to be effective even in small concentrations, making them a popular choice in various applications.
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