Optical Brightener BA

Product name: Optical Brightener BA MOLECULAR FORMULA: C40H42N12O10S2Na2 MOLECULAR WEIGHT: 960.95 (As International relative Atom Mass 1991) MAX UV ABSORPTION SPECTRUM: 348 nm Specs: Appearance: light yellow uniform powder Fluorescent Strenghth (equivalent to the standard sample): 100 Color Shade: Similar to Slightly Different Moisture content: 5% max Content of water-insoluble impurities: 0.5% max Fineness (residual content passed through 180μm-pore sieve ): 10% max PROPERTY: The product is readily soluble in water, acid-resistant, alkali-resistant, and has much better whitening effect than VBL at pH 4.5-7. Belonging to anionic type, it can be used in the one bath with anionic or nonionic surfactants. APPLICATION: Mainly applied to whiten paper pulp, surface sizing, coating, and also applied to whiten cotton, linen and cellulose fiber as well as cellulose fabrics, and to brighten light-colored cellulose fabrics. USAGE: 1. Being used in paper-making industry, add them into the paper pulp, coating solvent and surface gluing solvent after dissolving with the 20 times water.usual dosage: 0.1-0.3% on dry pulp or dry dope. 2. When whitening of the cotton, hemp or cellulose, directly adding the fluorescent brightener dissolved with water into the dye vat, the dosage:0.08-0.3%, bath ratio:1:20-40, the dying temperature:60-100. PACKAGE: Packed in cardboard bucket or plastic coating paper sack after being packed in plastic bag either 25 Kg or 50 Kg per bucket or sack. TRANSPORTAION: Should be handle carefully, avoid sunlight and moisture. STORAGE: Should be stored in cool, dry and ventilate place, and storage peroid should not exceed 2 years. We are one of the main supplier of Optical Brightener BA in China, we have best quality and price.