Optical Brightener Bbu For Paper CAS 16470-24-9

Basic Info.Model NO.:BBU C. I. 220 CAS16470-24-9Color:YellowAppearance:PowderOther Name:Fluorescent Whitening AgentMf:C40h40n12o16s4na4MW:1165.12Delivery Date:Within 1 WeekValid Date:2 YearsTrademark:linebonPackage:Drum or PP BagSpecification:SGSOrigin:ChinaProduct DescriptionOptical Brightener BBU C. I. 220 CAS 16470-24-9FORMULA: C40H40N12O16S4Na4MOLECULAR WEIGHT: 1165.12 (As international relative Atom Mass 1997)EXCUTIVE STANDARD: HG/T3727-2003SPECIFICATIONS: ItemIndicesAppearanceLight yellow powderFluorescent strenghth (equivalent to the standard sample)100±3Color Shade Similar to the standard sampleWhiteness (the deviation with the standard sample)           ≥ -3Moisture content                                      ≤ 5.0%Content of water-insoluble impurities                   ≤ 0.5%Fineness (residual content passed through 250μm-pore sieve)  ≤ 10%PROPERTY:1.Good water solubility and can be dissolved in 3-5 times boiling water, and its solubility is 300 g per liter in boiling water and 150 g per liter in cooling water.2. Good resistance to hard water, the ions of Ca2+ and Mg2+ have no influence on its whitening effect.3. Good resistance to peroxide bleach agent and containing reductive bleaching agent (sodium hydrosulfite).4. General acid-resistance and the optimal applied pH value >7.USEAGE:1. Used for cotton fiber and glue fiber.2. Used in the syrup of discharge pattern of printing color.3. Used in paper pulp.4. Used in the process of surface gluing.5. Used in the process of coating.PROCESS:(Such as padding dyeing)Bath temperature is about 95-98ºC, holding time is about 10-20 minutes, bath ratio is 1:20, vapour steaming about 45 minutes, the dosage is 0.1-0.5%.PACKAGE: Packed in cardboard bucket after being packed in plastic bag first. Net weight per bucket is 25 kg or 50 kg.TRANSPORTATION: Should avoid sunlight and crash.STORAGE: Should be stored in cool, dry and ventilate place, and storage peroid should not exceed 2 years. 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 :-)