Optical Brightener Ob C. I. 184 CAS 7128-64-5 For Plastic

Basic Info.Model NO.:OB C. I. 184Certification:SGSEnvironmental Protection:YesColor:YellowKind:Plastic Optical BrighenerAppearance:PowderOther Name:Fluorescent Whitening AgentMf:C26h26n2o2sMW:430.2Sample:AvailableDelivery Date:Within 1 WeekValid Date:2 YearsTrademark:linebonPackage:Drum/PP BagSpecification:SGSOrigin:ChinaProduct DescriptionOptical brightener OBC.I. 184 CAS 7128-64-5CHEMICAL NAME: 2,5-bis(5-tertbutyl-2-benzoxazolyl)thiopheneMOLECULAR FORMULA: C26H26N2O2S (As International relative Atom Mass 1997)MOLECULAR WEIGHT: 430.2Max UV ABSORPTION WAVELENGTH: 375 nm (ethanoll)SPECIFICATIONS:ItemIndicesAppearancelight yellow or milk white powderPurity≥ 99.0 %Melting point201-202ºCAsh≤ 0.1%Volatile content≤ 0.4%PROPERTIES:Optical brightener OB is a kind of benzoxazole compound, lt is odorless, hard to dissolve in water, soluble in paraffin, fat, mineral oil, wax and common organic solvents. It can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. It can be added at any stage in the process of whitening the polymers and make the finished products emitt a bright bluish white glaze.It can also be used as special marks in identify fakless material if used in printing ink.DIRECTION FOR USAGE:Thoroughly dispersed in all those polymers.If any ultral violet spectrum absorption agent is used in the polymers, the optimal dosage of optical brightener OB should be adjusted.DOSAGE: (per 100 kg polymer ):PVC white  0.01-0.05% (10-50 g)            transparent  0.0001-0.001% (0.1-1 g)PS  white  0.001% (about 1g )              transparent 0.0001-0.001% (0.1-1 g)ABS natural color  0.01-0.05% (10-50 g)      white  0.01-0.05% (10-50 g)PE, PP colorless  0.0005-0.001% (0.5-1 g)     white  0.005-0.05% (5-50 g)Other plastic are like abovePACKAGE: Packaged in iron drum or cardboard barrels. Net weight is 25 kg or 50 kg each.STORAGE: Should be stored in cool and dry place.Why us :1. High quality under strict QC/QA system with GMP factory price and best service. 2. Fast and safe delivery with secure and discreet shipment.3. Double check before delivery to make sure correct.4. Third-party Inspection5. Providing complete services with our resource integration, we can thus create more competitive advantages for you!Thank you for ordering and hope you enjoy your purchase here. Your comments are always welcomed and very important in our long-term business corporation.FREE SAMPLES can be sent for your evaluation!Contact me now for further business :-)