FLUORESCENT BRIGHTENER Linebon?BA-L Molecular formula: C40H42N12O10S2Na2 Relative molecular weight: 960.94 (according to 2005 international relative atomic mass) The maximum UV absorption wavelength: 348 nm Quality Index: Item Indices 1.appearance amber colored transparent liquid platinum 2. The fluorescence intensity (relative to the standard 370), minute 35 3.color shade Similar to the standard sample 4. Viscosity（25℃），mPs.S ≤50 5.pH value 8-10 6.Density，g/cm3 1.0-1.3 7. Ionicity anion Features: This product is easy to dissolve, good acid and alkali resistance, when in pH4.5-7 the whitening effect significantly is better than the VBL, anionic genera, can be used with anionic or nonionic surfactant. Scope: Mainly used for whitening paper pulp, surface sizing, coating and other processes, as well as in cotton, hemp, cellulose fiber fabric whitening, brightening light-colored fabric. Instructions: 1. For cotton, hemp, cellulose fibers when the fluorescent whitening agent whitening dye vat directly into use, the amount of 0.3% -1%, bath ratio: 1: 20-40, the dye bath temperature: 60-100 ℃. 2. in the paper industry in BC-L added to the pulp or liquid coating, surface sizing, the conventional amount of bone dry pulp or dry coating of 0.3-0.9%. Packaging: 230 kg plastic drums. Transportation: Handle with care, prevent moisture and sun. Storage: Store in a cool dry place away from light, storage period of six months.