Product	Chemical Components	Technical Index	Features	Applications
Fluorescent Whitening Agent WF-9021	Diphenyl ethylene derivatives	Pale yellow dispersions； Nonionic;	1. High whiteness. 2. Low dosage. 3. Strong fluorescence. 4. No macular and uneven color.	Whitening and brightening of polyester and its blended fabrics, or whitening of acetic acid fibers.
Fluorescent Whitening Agent WS-D	Diphenyl ethylene derivatives	Grey-blue dispersions； Nonionic;	1. High whiteness with low dosage. 2. No influence on coloration by temperature.	Whitening and brightening polyester and blended fabrics.