Specifications optical brightener ba1>easily soluble in water2>acid-resistant, alkali-resistant3>used in paper-making industry product name: optical brightener ba molecular formula:c40h42n12o10s2na2molecular 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 180m-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.
Shijiazhuang, China
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