Optical Brightener

Optical brighteners (fluorescent whitening agents) that absorb UV light and re-emit visible blue light to increase perceived whiteness and brightness. Used in plastics, synthetic fibers, textiles, paper, coatings, and detergents at low addition rates typically 50-500 ppm. Products cover bis-benzoxazole, stilbene, coumarin, and pyrazoline chemistries with thermal stability suited to polyolefin, PET, and PVC processing temperatures. Available in powder, liquid, and masterbatch forms.

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