Fluorescent brightener OB is light yellow powder, insoluble in water, odorless, natural light, pure color, good light transmittance, stable performance. Insoluble in water, soluble in alkanes, mineral oils, usually organic solvents, the maximum absorption wavelength of light is 357nm, the maximum fluorescence emission wavelength is 435nm. Widely used in PE, PP, PS, PVC, ABS, injection molding, blown film, color masterbatch, transparent plastic products, hot melt plastics, paints, inks, wallpapers, coatings, polyethylene, acrylonitrile, butadiene, polystyrene, polypropylene, acetate fiber polyvinyl chloride, styrene copolymer, styrene, acrylonitrile copolymer, styrene, butadiene copolymer, cellulose acetate, polyamide (PA), polymethyl methacrylate (PMMA), acrylic resin, polyester fiber (polyester) and so on.

East Chemsources was founded in 2008, 15-year history of exporting chemicals, is one of the China leading manufacturer and exporter on chemicals and EAST CHEMSOURCES is a great brand in Austria and Mid-East. Hope we can have a win-win cooperation in the future. We have a good after -sales service team, and we will deal with it 100 % when receiving the goods dissatisfaction.

CHEMSOURCES is a great brand in Austria and Mid-East. Our Gellan Gum is made from plants, natural and healthy.
Our product is stable, supplies timely, and ensures a certain inventory turnover, which can provide sample tests if you need them.
We have a complete after-sales team, and the transaction is just the beginning of our service.