Top White BB-B / Top White BB-B3C / Top White BYB Conc. are optical brightener agent (fluorescent brightener gent) for cotton, rayon, wool, silk and their blended fabrics. Especially they are proper to single stage of bleaching and dyeing because of their good stability to hydrogen peroxide.

Chemical structures: Stilbene Disulphonic acid derivatives

Physical properties:
Appearance: Yellowish powder
Shade: Bluish
Ionicity: Anionic
Soluble temperature: 60 deg.C to 80 deg.C
pH range: 6 to 12

Fastness properties:
Light fastness: 3~4
Washing fastness: 3
Perspiration fastness: 3
Sublimation fastness: 3
Chlorine fastness: 3

For more information, please contact us - Shangrila Enterprises Ltd. e-mail: tdpctw@gmail.com