Physical Property :

Product Form :

        Pale yellowish powder.

Product Application :

        Optical brightener OB is a high efficient optical brightener recommended for

        ◾️  Enhance whiteness for white pigmented coating, plastics .

        ◾️  As a whiteness mask for yellowish shelf clear coating

        ◾️  Printing ink for security, safeguard .

        ◾️  Manufacture of fluorescent pigments/dyestuffs to reinforce the brightness

        ◾️  Increase deep tone for dark black and blue printing ink

        The dose of Optical brightener OB exhibits a limited light fastness, it could be improved by Chisorb product .

        Dosage : 0.01-0.5% in plastics, 0.02-0.2% for clear coating, 0.3-5% for pigmented coating .

Quality Guarantee Period & Storage :

        Must be stored in closed containers in dark dryconditions.

Packaging :

        25KGS fiber drums within double PE bags.