Products Information: Products Name: OPTICALBRIGHTENER FP-127; Synonyms: FBA 378; OBA 378,Fluorescent Brightener FP-127; Optical Brightener Agent FP-127, FluorescentBrightener CBS-127; Optical Brightener Agent CBS-127, Molecular Formula: C30H26O2 Molecular Weight:418 CAS No: 40470-68-6 C.I. No.: C.I.378 Appearance: slight yellow powder Melting point: 219-221 C Assay:99% Fineness: 200 meshes Molecular Structure: Features Optical Brightener FP-127 hascharacteristics such as high whiteness, good colored light, good colorfastness, heat resistance, weather resistance and yellowing resistance andetc. Applications Itis especially suitable for whitening of PVC and polystyrene series products,and can also be used for whitening and brightening of other thermoplastics andcoatings, printing ink, synthetic fiber Reference dosage: Each 100kg material to add FP-127 brightening agent: 1. PVC: 1. White: 10-50 g 2.transparent: 0.1-1g 2. PS: 1.White: 1-50g 2.transparent: 0.1-1g 3.ABS: 10g-50g (eliminate the inherent yellow in ABS) Package & Storage: 10kg or 25kg/ fiber drums. It can bepacked in other forms according to user's requirements. Shelf life: not more than 24 months inthe room temperature.