Optical Brightener KSB is kind of plastics additives can absorb UV light then emit visible blue light to reduce the yellowish and make the products more white.
Optical Brightener KSB is applicable to all kinds of plastics, dedicated to PP and PE recycled materials, high whiteness and brightness. High temperature resistance, light fastness, high efficiency and environmental friendly.
Molecular Formula : C26H18N2O2
Molecular Weight : 390
Appearance : Slight yellowish green crystal powder
Melting point : 237-239℃