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.

Showing 2 products

Optical Brightener OB-1

ency on polyolefin, PVC, PVC foaming, TPR, EVA and PU foaming together with coating, natural lacquer, etc. It also has specially good effect on foaming plastics, especially EVA, PE foaming.
Optical Brightener

Optical Brightener OB

ng without compromising pigment performance
Additives, Optical Brightener