Fluorescent Brightening Agent OB-1(FBA 393)

Optical Brightener Type:OB, OB-1, BA, BC, BBU, CBS-X, CXT, PF, PF-3, ER, ER-330, EBF, FP, KSN, KCB, KSB, VBL, 4BK, etc. Fluorescent Brightening AgentOB-1(FBA 393) I.Technical Index Appearance: slight greenish yellow powder Molecularweight: 414 Melting Point: 357-360°C Purity: ≥98.5% Maximum UV Spectrum Absorption: 374nm Solubility: insoluble in water,but soluble in high boiling point organic solvent such as phenyl-chloride II. Uses 1.Suitable for whitening chemical fibers, such as the polyester fibre, nylon fiber, polypropylene fiber and so on. 2. Suitable for whitening and brightening polypropylene plastic, hard PVC, ABS . EVA, polystyrene, polycarbonate, etc. 3. Suitable to be added into the conventional polymerization of polyester and nylon. 4. Especially suitable for whitening the plastics of elevated temperature compaction. III. Method of Application Recommend consumption: Put OB-1 brightener into every 1000kg materiel. 1. The add-on amount of EVA, polypropylene, nylon and polycarbonate is 75 200g. 2. The add-on amount of terylene fiber is 75 300g. 3. The add-on amount of benzene is 25-50g. CAUTIONS: Ifinterest in our any products, please contact me freely! We will do our utmost to offer you the best service with competitive price and high quality!