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UV absorber UV-329

  • Product description

  Alias: (2′-hydroxy-4′-benzoylphenyl)-5chloro-2H-benzotriazole

  Product usage and precautions

  It has strong adsorption, which is stronger than triazine ultraviolet absorber, especially for ultrafine fibers. Especially for polyester fiber, it has excellent performance, and has the characteristics of large molecular weight, low volatility, extraction resistance and easy processing.

  The general dosage in plastics is 1% to 3%.




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